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1042622531 is a prime number
BaseRepresentation
bin111110001001010…
…010100001000011
32200122212201020022
4332021102201003
54113402410111
6251243004055
734560100556
oct7611224103
92618781208
101042622531
11495595815
1225120962b
13138011612
149c68469d
15618002db
hex3e252843

1042622531 has 2 divisors, whose sum is σ = 1042622532. Its totient is φ = 1042622530.

The previous prime is 1042622521. The next prime is 1042622543. The reversal of 1042622531 is 1352262401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042622531 - 26 = 1042622467 is a prime.

It is a super-2 number, since 2×10426225312 = 2174123484297691922, 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 1042622531.

It is not a weakly prime, because it can be changed into another prime (1042622521) 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, 521311265 + 521311266.

It is an arithmetic number, because the mean of its divisors is an integer number (521311266).

Almost surely, 21042622531 is an apocalyptic number.

1042622531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042622531 is an equidigital number, since it uses as much as digits as its factorization.

1042622531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1042622531 is about 32289.6660094217. Note that the first 3 decimals coincide. The cubic root of 1042622531 is about 1014.0103049992.

Adding to 1042622531 its reverse (1352262401), we get a palindrome (2394884932).

The spelling of 1042622531 in words is "one billion, forty-two million, six hundred twenty-two thousand, five hundred thirty-one".