25172275 has 6 divisors (see below), whose sum is σ = 31213652. Its totient is φ = 20137800.

The previous prime is 25172267. The next prime is 25172299. The reversal of 25172275 is 57227152.

It is not a de Polignac number, because 25172275 - 2³ = 25172267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503421 + ... + 503470.

Almost surely, 2^25172275 is an apocalyptic number.

25172275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25172275 is a deficient number, since it is larger than the sum of its proper divisors (6041377).

25172275 is a wasteful number, since it uses less digits than its factorization.

25172275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006901 (or 1006896 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 25172275 is about 5017.1979231440. The cubic root of 25172275 is about 293.0718838021.

The spelling of 25172275 in words is "twenty-five million, one hundred seventy-two thousand, two hundred seventy-five".