253413630525 has 72 divisors (see below), whose sum is σ = 466359456640. Its totient is φ = 121311590400.

The previous prime is 253413630497. The next prime is 253413630563. The reversal of 253413630525 is 525036314352.

It is not a de Polignac number, because 253413630525 - 2⁹ = 253413630013 is a prime.

It is a super-2 number, since 2×253413630525² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 540189 + ... + 893661.

Almost surely, 2^253413630525 is an apocalyptic number.

253413630525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253413630525 is a deficient number, since it is larger than the sum of its proper divisors (212945826115).

253413630525 is a wasteful number, since it uses less digits than its factorization.

253413630525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353587 (or 353571 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 39.

Adding to 253413630525 its reverse (525036314352), we get a palindrome (778449944877).

The spelling of 253413630525 in words is "two hundred fifty-three billion, four hundred thirteen million, six hundred thirty thousand, five hundred twenty-five".