25974225 has 36 divisors (see below), whose sum is σ = 47244496. Its totient is φ = 13638240.

The previous prime is 25974217. The next prime is 25974239. The reversal of 25974225 is 52247952.

It is a happy number.

25974225 is a `hidden beast` number, since 2 + 597 + 42 + 25 = 666.

It is not a de Polignac number, because 25974225 - 2³ = 25974217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25974225.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14214 + ... + 15936.

Almost surely, 2^25974225 is an apocalyptic number.

25974225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25974225 is a deficient number, since it is larger than the sum of its proper divisors (21270271).

25974225 is a wasteful number, since it uses less digits than its factorization.

25974225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1798 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 25974225 is about 5096.4914401969. The cubic root of 25974225 is about 296.1516791708.

The spelling of 25974225 in words is "twenty-five million, nine hundred seventy-four thousand, two hundred twenty-five".