25432377925 has 12 divisors (see below), whose sum is σ = 31830882336. Its totient is φ = 20155751600.

The previous prime is 25432377917. The next prime is 25432377931. The reversal of 25432377925 is 52977323452.

It is not a de Polignac number, because 25432377925 - 2³ = 25432377917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4751041 + ... + 4756390.

It is an arithmetic number, because the mean of its divisors is an integer number (2652573528).

Almost surely, 2^25432377925 is an apocalyptic number.

25432377925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25432377925 is a deficient number, since it is larger than the sum of its proper divisors (6398504411).

25432377925 is a wasteful number, since it uses less digits than its factorization.

25432377925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9507548 (or 9507543 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 49.

The spelling of 25432377925 in words is "twenty-five billion, four hundred thirty-two million, three hundred seventy-seven thousand, nine hundred twenty-five".