253605410025 has 96 divisors (see below), whose sum is σ = 478099971072. Its totient is φ = 117416851200.

The previous prime is 253605409999. The next prime is 253605410039. The reversal of 253605410025 is 520014506352.

It is not a de Polignac number, because 253605410025 - 2⁸ = 253605409769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11620774 + ... + 11642576.

It is an arithmetic number, because the mean of its divisors is an integer number (4980208032).

Almost surely, 2^253605410025 is an apocalyptic number.

253605410025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253605410025 is a deficient number, since it is larger than the sum of its proper divisors (224494561047).

253605410025 is a wasteful number, since it uses less digits than its factorization.

253605410025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22463 (or 22458 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 253605410025 its reverse (520014506352), we get a palindrome (773619916377).

The spelling of 253605410025 in words is "two hundred fifty-three billion, six hundred five million, four hundred ten thousand, twenty-five".