Search a number
-
+
523054331 is a prime number
BaseRepresentation
bin11111001011010…
…010110011111011
31100110012220122122
4133023102303323
52032400214311
6123522511455
715650613512
oct3713226373
91313186578
10523054331
11249283508
1212720558b
1384497807
144d677679
1530dbe0db
hex1f2d2cfb

523054331 has 2 divisors, whose sum is σ = 523054332. Its totient is φ = 523054330.

The previous prime is 523054319. The next prime is 523054333. The reversal of 523054331 is 133450325.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-523054331 is a prime.

It is a super-2 number, since 2×5230543312 = 547171666355715122, which contains 22 as substring.

Together with 523054333, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 523054331.

It is not a weakly prime, because it can be changed into another prime (523054333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261527165 + 261527166.

It is an arithmetic number, because the mean of its divisors is an integer number (261527166).

Almost surely, 2523054331 is an apocalyptic number.

523054331 is a deficient number, since it is larger than the sum of its proper divisors (1).

523054331 is an equidigital number, since it uses as much as digits as its factorization.

523054331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 523054331 is about 22870.3810855875. The cubic root of 523054331 is about 805.7165185366.

The spelling of 523054331 in words is "five hundred twenty-three million, fifty-four thousand, three hundred thirty-one".