25963225 has 6 divisors (see below), whose sum is σ = 32194430. Its totient is φ = 20770560.

The previous prime is 25963193. The next prime is 25963241. The reversal of 25963225 is 52236952.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 44944 + 25918281 = 212^2 + 5091^2 .

It is not a de Polignac number, because 25963225 - 2⁵ = 25963193 is a prime.

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, 519240 + ... + 519289.

Almost surely, 2^25963225 is an apocalyptic number.

25963225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25963225 is a deficient number, since it is larger than the sum of its proper divisors (6231205).

25963225 is a wasteful number, since it uses less digits than its factorization.

25963225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038539 (or 1038534 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 25963225 is about 5095.4121521227. The cubic root of 25963225 is about 296.1098668427.

The spelling of 25963225 in words is "twenty-five million, nine hundred sixty-three thousand, two hundred twenty-five".