25138325 has 12 divisors (see below), whose sum is σ = 33005700. Its totient is φ = 18927360.

The previous prime is 25138313. The next prime is 25138339. The reversal of 25138325 is 52383152.

It can be written as a sum of positive squares in 6 ways, for example, as 3076516 + 22061809 = 1754^2 + 4697^2 .

It is not a de Polignac number, because 25138325 - 2⁶ = 25138261 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29150 + ... + 29999.

It is an arithmetic number, because the mean of its divisors is an integer number (2750475).

Almost surely, 2^25138325 is an apocalyptic number.

25138325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25138325 is a deficient number, since it is larger than the sum of its proper divisors (7867375).

25138325 is a wasteful number, since it uses less digits than its factorization.

25138325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59176 (or 59171 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 25138325 is about 5013.8134189457. The cubic root of 25138325 is about 292.9400685818.

The spelling of 25138325 in words is "twenty-five million, one hundred thirty-eight thousand, three hundred twenty-five".