25314109425 has 216 divisors, whose sum is σ = 53015713920. Its totient is φ = 11436768000.

The previous prime is 25314109411. The next prime is 25314109427. The reversal of 25314109425 is 52490141352.

25314109425 is a `hidden beast` number, since 2 + 531 + 4 + 10 + 94 + 25 = 666.

It is not a de Polignac number, because 25314109425 - 2⁴ = 25314109409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25314109425.

It is not an unprimeable number, because it can be changed into a prime (25314109427) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 68975592 + ... + 68975958.

It is an arithmetic number, because the mean of its divisors is an integer number (245443120).

Almost surely, 2^25314109425 is an apocalyptic number.

25314109425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25314109425 is an abundant number, since it is smaller than the sum of its proper divisors (27701604495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25314109425 is a wasteful number, since it uses less digits than its factorization.

25314109425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 25314109425 in words is "twenty-five billion, three hundred fourteen million, one hundred nine thousand, four hundred twenty-five".