25275250025 has 12 divisors (see below), whose sum is σ = 31344189900. Its totient is φ = 20218342080.

The previous prime is 25275250001. The next prime is 25275250051. The reversal of 25275250025 is 52005257252.

It can be written as a sum of positive squares in 6 ways, for example, as 918029401 + 24357220624 = 30299^2 + 156068^2 .

It is not a de Polignac number, because 25275250025 - 2¹⁶ = 25275184489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274571 + ... + 354879.

It is an arithmetic number, because the mean of its divisors is an integer number (2612015825).

Almost surely, 2^25275250025 is an apocalyptic number.

25275250025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25275250025 is a deficient number, since it is larger than the sum of its proper divisors (6068939875).

25275250025 is a wasteful number, since it uses less digits than its factorization.

25275250025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92908 (or 92903 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

The spelling of 25275250025 in words is "twenty-five billion, two hundred seventy-five million, two hundred fifty thousand, twenty-five".