25077225 has 12 divisors (see below), whose sum is σ = 41461136. Its totient is φ = 13374480.

The previous prime is 25077209. The next prime is 25077251. The reversal of 25077225 is 52277052.

It is not a de Polignac number, because 25077225 - 2⁴ = 25077209 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25077192 and 25077201.

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, 167107 + ... + 167256.

Almost surely, 2^25077225 is an apocalyptic number.

25077225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25077225 is a deficient number, since it is larger than the sum of its proper divisors (16383911).

25077225 is a wasteful number, since it uses less digits than its factorization.

25077225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334376 (or 334371 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 25077225 is about 5007.7165454926. The cubic root of 25077225 is about 292.7025407037.

The spelling of 25077225 in words is "twenty-five million, seventy-seven thousand, two hundred twenty-five".