252459296497 has 8 divisors (see below), whose sum is σ = 258632732232. Its totient is φ = 246286617600.

The previous prime is 252459296491. The next prime is 252459296513. The reversal of 252459296497 is 794692954252.

It can be written as a sum of positive squares in 4 ways, for example, as 1113490161 + 251345806336 = 33369^2 + 501344^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252459296497 - 2²³ = 252450907889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252459296491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518013 + ... + 879349.

It is an arithmetic number, because the mean of its divisors is an integer number (32329091529).

Almost surely, 2^252459296497 is an apocalyptic number.

It is an amenable number.

252459296497 is a deficient number, since it is larger than the sum of its proper divisors (6173435735).

252459296497 is a wasteful number, since it uses less digits than its factorization.

252459296497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378419.

The product of its digits is 97977600, while the sum is 64.

The spelling of 252459296497 in words is "two hundred fifty-two billion, four hundred fifty-nine million, two hundred ninety-six thousand, four hundred ninety-seven".