253310321025 has 36 divisors (see below), whose sum is σ = 453774647040. Its totient is φ = 135078674400.

The previous prime is 253310320979. The next prime is 253310321027. The reversal of 253310321025 is 520123013352.

It is a happy number.

253310321025 is a `hidden beast` number, since 2 + 5 + 3 + 310 + 321 + 0 + 25 = 666.

253310321025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253310321025 - 2⁷ = 253310320897 is a prime.

It is a super-2 number, since 2×253310321025² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253310321025.

It is not an unprimeable number, because it can be changed into a prime (253310321027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1492456 + ... + 1653494.

Almost surely, 2^253310321025 is an apocalyptic number.

253310321025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253310321025 is a deficient number, since it is larger than the sum of its proper divisors (200464326015).

253310321025 is a wasteful number, since it uses less digits than its factorization.

253310321025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168046 (or 168038 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 253310321025 its reverse (520123013352), we get a palindrome (773433334377).

The spelling of 253310321025 in words is "two hundred fifty-three billion, three hundred ten million, three hundred twenty-one thousand, twenty-five".