25133256325 has 24 divisors (see below), whose sum is σ = 32577825600. Its totient is φ = 19198354560.

The previous prime is 25133256307. The next prime is 25133256329. The reversal of 25133256325 is 52365233152.

It is not a de Polignac number, because 25133256325 - 2²³ = 25124867717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25133256329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288766 + ... + 365584.

It is an arithmetic number, because the mean of its divisors is an integer number (1357409400).

Almost surely, 2^25133256325 is an apocalyptic number.

25133256325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25133256325 is a deficient number, since it is larger than the sum of its proper divisors (7444569275).

25133256325 is a wasteful number, since it uses less digits than its factorization.

25133256325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77421 (or 77416 counting only the distinct ones).

The product of its digits is 162000, while the sum is 37.

Adding to 25133256325 its reverse (52365233152), we get a palindrome (77498489477).

The spelling of 25133256325 in words is "twenty-five billion, one hundred thirty-three million, two hundred fifty-six thousand, three hundred twenty-five".