252565497069 has 16 divisors (see below), whose sum is σ = 347953672704. Its totient is φ = 162787680000.

The previous prime is 252565497029. The next prime is 252565497071. The reversal of 252565497069 is 960794565252.

It is not a de Polignac number, because 252565497069 - 2¹⁶ = 252565431533 is a prime.

It is a super-2 number, since 2×252565497069² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252565497029) 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, 1218432 + ... + 1410569.

It is an arithmetic number, because the mean of its divisors is an integer number (21747104544).

Almost surely, 2^252565497069 is an apocalyptic number.

It is an amenable number.

252565497069 is a deficient number, since it is larger than the sum of its proper divisors (95388175635).

252565497069 is a wasteful number, since it uses less digits than its factorization.

252565497069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630068.

The product of its (nonzero) digits is 40824000, while the sum is 60.

The spelling of 252565497069 in words is "two hundred fifty-two billion, five hundred sixty-five million, four hundred ninety-seven thousand, sixty-nine".