25342825 has 6 divisors (see below), whose sum is σ = 31425134. Its totient is φ = 20274240.

The previous prime is 25342787. The next prime is 25342829. The reversal of 25342825 is 52824352.

It can be written as a sum of positive squares in 3 ways, for example, as 51984 + 25290841 = 228^2 + 5029^2 .

It is not a de Polignac number, because 25342825 - 2⁷ = 25342697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25342829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506832 + ... + 506881.

Almost surely, 2^25342825 is an apocalyptic number.

25342825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25342825 is a deficient number, since it is larger than the sum of its proper divisors (6082309).

25342825 is a wasteful number, since it uses less digits than its factorization.

25342825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013723 (or 1013718 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 25342825 is about 5034.1657700159. The cubic root of 25342825 is about 293.7322789974.

The spelling of 25342825 in words is "twenty-five million, three hundred forty-two thousand, eight hundred twenty-five".