252656542413533 has 16 divisors (see below), whose sum is σ = 272616827448000. Its totient is φ = 233370052456320.

The previous prime is 252656542413523. The next prime is 252656542413547. The reversal of 252656542413533 is 335314245656252.

It is a cyclic number.

It is not a de Polignac number, because 252656542413533 - 2¹² = 252656542409437 is a prime.

It is a super-2 number, since 2×252656542413533² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252656542413523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103484891 + ... + 105898232.

It is an arithmetic number, because the mean of its divisors is an integer number (17038551715500).

Almost surely, 2^{252656542413533} is an apocalyptic number.

It is an amenable number.

252656542413533 is a deficient number, since it is larger than the sum of its proper divisors (19960285034467).

252656542413533 is a wasteful number, since it uses less digits than its factorization.

252656542413533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209384732.

The product of its digits is 77760000, while the sum is 56.

The spelling of 252656542413533 in words is "two hundred fifty-two trillion, six hundred fifty-six billion, five hundred forty-two million, four hundred thirteen thousand, five hundred thirty-three".