25289325 has 18 divisors (see below), whose sum is σ = 45296394. Its totient is φ = 13487520.

The previous prime is 25289293. The next prime is 25289339. The reversal of 25289325 is 52398252.

25289325 is a `hidden beast` number, since 252 + 89 + 325 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 7064964 + 18224361 = 2658^2 + 4269^2 .

It is not a de Polignac number, because 25289325 - 2⁵ = 25289293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25289325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55974 + ... + 56423.

Almost surely, 2^25289325 is an apocalyptic number.

25289325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25289325 is a deficient number, since it is larger than the sum of its proper divisors (20007069).

25289325 is a wasteful number, since it uses less digits than its factorization.

25289325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112413 (or 112405 counting only the distinct ones).

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

The square root of 25289325 is about 5028.8492719508. The cubic root of 25289325 is about 293.5254387566.

The spelling of 25289325 in words is "twenty-five million, two hundred eighty-nine thousand, three hundred twenty-five".