25479256375 has 32 divisors (see below), whose sum is σ = 32028482304. Its totient is φ = 20236320000.

The previous prime is 25479256343. The next prime is 25479256391. The reversal of 25479256375 is 57365297452.

It is not a de Polignac number, because 25479256375 - 2⁵ = 25479256343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10836450 + ... + 10838800.

It is an arithmetic number, because the mean of its divisors is an integer number (1000890072).

Almost surely, 2^25479256375 is an apocalyptic number.

25479256375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25479256375 is a deficient number, since it is larger than the sum of its proper divisors (6549225929).

25479256375 is a wasteful number, since it uses less digits than its factorization.

25479256375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956 (or 2946 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 55.

The spelling of 25479256375 in words is "twenty-five billion, four hundred seventy-nine million, two hundred fifty-six thousand, three hundred seventy-five".