25321425315 has 8 divisors (see below), whose sum is σ = 40514280528. Its totient is φ = 13504760160.

The previous prime is 25321425289. The next prime is 25321425323. The reversal of 25321425315 is 51352412352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25321425315 - 2⁷ = 25321425187 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 844047496 + ... + 844047525.

It is an arithmetic number, because the mean of its divisors is an integer number (5064285066).

Almost surely, 2^25321425315 is an apocalyptic number.

25321425315 is a deficient number, since it is larger than the sum of its proper divisors (15192855213).

25321425315 is a wasteful number, since it uses less digits than its factorization.

25321425315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688095029.

The product of its digits is 36000, while the sum is 33.

Adding to 25321425315 its reverse (51352412352), we get a palindrome (76673837667).

The spelling of 25321425315 in words is "twenty-five billion, three hundred twenty-one million, four hundred twenty-five thousand, three hundred fifteen".