25876925 has 6 divisors (see below), whose sum is σ = 32087418. Its totient is φ = 20701520.

The previous prime is 25876919. The next prime is 25876943. The reversal of 25876925 is 52967852.

It can be written as a sum of positive squares in 3 ways, for example, as 2393209 + 23483716 = 1547^2 + 4846^2 .

It is not a de Polignac number, because 25876925 - 2¹⁰ = 25875901 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 517514 + ... + 517563.

It is an arithmetic number, because the mean of its divisors is an integer number (5347903).

Almost surely, 2^25876925 is an apocalyptic number.

25876925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25876925 is a deficient number, since it is larger than the sum of its proper divisors (6210493).

25876925 is a wasteful number, since it uses less digits than its factorization.

25876925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035087 (or 1035082 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 25876925 is about 5086.9367010019. The cubic root of 25876925 is about 295.7814196194.

The spelling of 25876925 in words is "twenty-five million, eight hundred seventy-six thousand, nine hundred twenty-five".