253433444532425 has 24 divisors (see below), whose sum is σ = 315119218579200. Its totient is φ = 202190808746880.

The previous prime is 253433444532403. The next prime is 253433444532497. The reversal of 253433444532425 is 524235444334352.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-253433444532425 is a prime.

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, 615702836 + ... + 616114314.

It is an arithmetic number, because the mean of its divisors is an integer number (13129967440800).

Almost surely, 2^{253433444532425} is an apocalyptic number.

253433444532425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253433444532425 is a deficient number, since it is larger than the sum of its proper divisors (61685774046775).

253433444532425 is a wasteful number, since it uses less digits than its factorization.

253433444532425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478985 (or 478980 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 53.

Adding to 253433444532425 its reverse (524235444334352), we get a palindrome (777668888866777).

The spelling of 253433444532425 in words is "two hundred fifty-three trillion, four hundred thirty-three billion, four hundred forty-four million, five hundred thirty-two thousand, four hundred twenty-five".