25032578325 has 24 divisors (see below), whose sum is σ = 41852232000. Its totient is φ = 13200696960.

The previous prime is 25032578321. The next prime is 25032578339. The reversal of 25032578325 is 52387523052.

It is not a de Polignac number, because 25032578325 - 2² = 25032578321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25032578321) 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, 1868425 + ... + 1881774.

It is an arithmetic number, because the mean of its divisors is an integer number (1743843000).

Almost surely, 2^25032578325 is an apocalyptic number.

25032578325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25032578325 is a deficient number, since it is larger than the sum of its proper divisors (16819653675).

25032578325 is a wasteful number, since it uses less digits than its factorization.

25032578325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750301 (or 3750296 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 25032578325 in words is "twenty-five billion, thirty-two million, five hundred seventy-eight thousand, three hundred twenty-five".