25973825 has 6 divisors (see below), whose sum is σ = 32207574. Its totient is φ = 20779040.

The previous prime is 25973813. The next prime is 25973839. The reversal of 25973825 is 52837952.

It can be written as a sum of positive squares in 3 ways, for example, as 4592449 + 21381376 = 2143^2 + 4624^2 .

It is not a de Polignac number, because 25973825 - 2¹⁴ = 25957441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 519452 + ... + 519501.

It is an arithmetic number, because the mean of its divisors is an integer number (5367929).

Almost surely, 2^25973825 is an apocalyptic number.

25973825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25973825 is a deficient number, since it is larger than the sum of its proper divisors (6233749).

25973825 is a wasteful number, since it uses less digits than its factorization.

25973825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038963 (or 1038958 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 25973825 is about 5096.4521973624. The cubic root of 25973825 is about 296.1501589293.

The spelling of 25973825 in words is "twenty-five million, nine hundred seventy-three thousand, eight hundred twenty-five".