252543039935 has 32 divisors (see below), whose sum is σ = 309750746112. Its totient is φ = 197607818880.

The previous prime is 252543039883. The next prime is 252543039971. The reversal of 252543039935 is 539930345252.

It is a de Polignac number, because none of the positive numbers 2^k-252543039935 is a prime.

It is a super-2 number, since 2×252543039935² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76364552 + ... + 76367858.

It is an arithmetic number, because the mean of its divisors is an integer number (9679710816).

Almost surely, 2^252543039935 is an apocalyptic number.

252543039935 is a deficient number, since it is larger than the sum of its proper divisors (57207706177).

252543039935 is a wasteful number, since it uses less digits than its factorization.

252543039935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703.

The product of its (nonzero) digits is 4374000, while the sum is 50.

The spelling of 252543039935 in words is "two hundred fifty-two billion, five hundred forty-three million, thirty-nine thousand, nine hundred thirty-five".