25271672206225 has 24 divisors (see below), whose sum is σ = 31563649753472. Its totient is φ = 20071557777600.

The previous prime is 25271672206201. The next prime is 25271672206271. The reversal of 25271672206225 is 52260227617252.

It is not a de Polignac number, because 25271672206225 - 2³¹ = 25269524722577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4673022 + ... + 8507671.

Almost surely, 2^{25271672206225} is an apocalyptic number.

25271672206225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25271672206225 is a deficient number, since it is larger than the sum of its proper divisors (6291977547247).

25271672206225 is a wasteful number, since it uses less digits than its factorization.

25271672206225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13181257 (or 13181252 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 25271672206225 in words is "twenty-five trillion, two hundred seventy-one billion, six hundred seventy-two million, two hundred six thousand, two hundred twenty-five".