253355434251425 has 24 divisors (see below), whose sum is σ = 342739800674400. Its totient is φ = 184248285235200.

The previous prime is 253355434251419. The next prime is 253355434251443. The reversal of 253355434251425 is 524152434553352.

It is a de Polignac number, because none of the positive numbers 2^k-253355434251425 is a prime.

It is a super-2 number, since 2×253355434251425² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20558507 + ... + 30485456.

It is an arithmetic number, because the mean of its divisors is an integer number (14280825028100).

Almost surely, 2^{253355434251425} is an apocalyptic number.

253355434251425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253355434251425 is a deficient number, since it is larger than the sum of its proper divisors (89384366422975).

253355434251425 is a wasteful number, since it uses less digits than its factorization.

253355434251425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51062033 (or 51062028 counting only the distinct ones).

The product of its digits is 43200000, while the sum is 53.

The spelling of 253355434251425 in words is "two hundred fifty-three trillion, three hundred fifty-five billion, four hundred thirty-four million, two hundred fifty-one thousand, four hundred twenty-five".