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1424042261 is a prime number
BaseRepresentation
bin101010011100001…
…0010100100010101
310200020120211201222
41110320102210111
510404023323021
6353150100125
750201105465
oct12470224425
93606524658
101424042261
11670920034
12338aaa645
13199048a75
14d71adba5
15850436ab
hex54e12915

1424042261 has 2 divisors, whose sum is σ = 1424042262. Its totient is φ = 1424042260.

The previous prime is 1424042239. The next prime is 1424042339. The reversal of 1424042261 is 1622404241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1369740100 + 54302161 = 37010^2 + 7369^2 .

It is an emirp because it is prime and its reverse (1622404241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1424042261 - 218 = 1423780117 is a prime.

It is a super-2 number, since 2×14240422612 = 4055792722227984242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1424042261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424042461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712021130 + 712021131.

It is an arithmetic number, because the mean of its divisors is an integer number (712021131).

Almost surely, 21424042261 is an apocalyptic number.

It is an amenable number.

1424042261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424042261 is an equidigital number, since it uses as much as digits as its factorization.

1424042261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1424042261 is about 37736.4844812020. The cubic root of 1424042261 is about 1125.0563951318.

The spelling of 1424042261 in words is "one billion, four hundred twenty-four million, forty-two thousand, two hundred sixty-one".