252413400445 has 16 divisors (see below), whose sum is σ = 320726504880. Its totient is φ = 190044734464.

The previous prime is 252413400439. The next prime is 252413400457. The reversal of 252413400445 is 544004314252.

It can be written as a sum of positive squares in 8 ways, for example, as 1666843929 + 250746556516 = 40827^2 + 500746^2 .

It is a cyclic number.

It is not a de Polignac number, because 252413400445 - 2¹¹ = 252413398397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252413400445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2897139 + ... + 2982991.

It is an arithmetic number, because the mean of its divisors is an integer number (20045406555).

Almost surely, 2^252413400445 is an apocalyptic number.

It is an amenable number.

252413400445 is a deficient number, since it is larger than the sum of its proper divisors (68313104435).

252413400445 is a wasteful number, since it uses less digits than its factorization.

252413400445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120464.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 252413400445 its reverse (544004314252), we get a palindrome (796417714697).

The spelling of 252413400445 in words is "two hundred fifty-two billion, four hundred thirteen million, four hundred thousand, four hundred forty-five".