25085025 has 48 divisors (see below), whose sum is σ = 52675200. Its totient is φ = 11465280.

The previous prime is 25085023. The next prime is 25085033. The reversal of 25085025 is 52058052.

It is not a de Polignac number, because 25085025 - 2¹ = 25085023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 25085025.

It is not an unprimeable number, because it can be changed into a prime (25085023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2071 + ... + 7379.

It is an arithmetic number, because the mean of its divisors is an integer number (1097400).

Almost surely, 2^25085025 is an apocalyptic number.

25085025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25085025 is an abundant number, since it is smaller than the sum of its proper divisors (27590175).

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

25085025 is a wasteful number, since it uses less digits than its factorization.

25085025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335 (or 5324 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 25085025 is about 5008.4952830166. The cubic root of 25085025 is about 292.7328848792.

The spelling of 25085025 in words is "twenty-five million, eighty-five thousand, twenty-five".