25036262225 has 12 divisors (see below), whose sum is σ = 33433039836. Its totient is φ = 18488316480.

The previous prime is 25036262189. The next prime is 25036262249. The reversal of 25036262225 is 52226263052.

It can be written as a sum of positive squares in 6 ways, for example, as 1205547841 + 23830714384 = 34721^2 + 154372^2 .

It is not a de Polignac number, because 25036262225 - 2⁶ = 25036262161 is a prime.

It is a Duffinian number.

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, 38517002 + ... + 38517651.

It is an arithmetic number, because the mean of its divisors is an integer number (2786086653).

Almost surely, 2^25036262225 is an apocalyptic number.

25036262225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25036262225 is a deficient number, since it is larger than the sum of its proper divisors (8396777611).

25036262225 is a wasteful number, since it uses less digits than its factorization.

25036262225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77034676 (or 77034671 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 25036262225 in words is "twenty-five billion, thirty-six million, two hundred sixty-two thousand, two hundred twenty-five".