25582925 has 6 divisors (see below), whose sum is σ = 31722858. Its totient is φ = 20466320.

The previous prime is 25582919. The next prime is 25582957. The reversal of 25582925 is 52928552.

It can be written as a sum of positive squares in 3 ways, for example, as 5851561 + 19731364 = 2419^2 + 4442^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25582925 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 511634 + ... + 511683.

It is an arithmetic number, because the mean of its divisors is an integer number (5287143).

Almost surely, 2^25582925 is an apocalyptic number.

25582925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25582925 is a deficient number, since it is larger than the sum of its proper divisors (6139933).

25582925 is a wasteful number, since it uses less digits than its factorization.

25582925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023327 (or 1023322 counting only the distinct ones).

The product of its digits is 72000, while the sum is 38.

The square root of 25582925 is about 5057.9566032144. The cubic root of 25582925 is about 294.6569794447.

The spelling of 25582925 in words is "twenty-five million, five hundred eighty-two thousand, nine hundred twenty-five".