25362663552225 has 72 divisors (see below), whose sum is σ = 48162099225240. Its totient is φ = 12714505666560.

The previous prime is 25362663552217. The next prime is 25362663552271. The reversal of 25362663552225 is 52225536626352.

25362663552225 is a `hidden beast` number, since 2 + 5 + 3 + 6 + 2 + 6 + 63 + 552 + 2 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 6025827019536 + 19336836532689 = 2454756^2 + 4397367^2 .

It is not a de Polignac number, because 25362663552225 - 2³ = 25362663552217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1369864 + ... + 7252713.

It is an arithmetic number, because the mean of its divisors is an integer number (668918044795).

Almost surely, 2^{25362663552225} is an apocalyptic number.

25362663552225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25362663552225 is a deficient number, since it is larger than the sum of its proper divisors (22799435673015).

25362663552225 is a wasteful number, since it uses less digits than its factorization.

25362663552225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8623379 (or 8623371 counting only the distinct ones).

The product of its digits is 38880000, while the sum is 54.

The spelling of 25362663552225 in words is "twenty-five trillion, three hundred sixty-two billion, six hundred sixty-three million, five hundred fifty-two thousand, two hundred twenty-five".