25575226 has 16 divisors (see below), whose sum is σ = 39950568. Its totient is φ = 12268800.

The previous prime is 25575181. The next prime is 25575227. The reversal of 25575226 is 62257552.

It can be written as a sum of positive squares in 4 ways, for example, as 1575025 + 24000201 = 1255^2 + 4899^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25575191 and 25575200.

It is not an unprimeable number, because it can be changed into a prime (25575227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2446 + ... + 7558.

Almost surely, 2^25575226 is an apocalyptic number.

25575226 is a deficient number, since it is larger than the sum of its proper divisors (14375342).

25575226 is a wasteful number, since it uses less digits than its factorization.

25575226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217.

The product of its digits is 42000, while the sum is 34.

The square root of 25575226 is about 5057.1954678458. The cubic root of 25575226 is about 294.6274181690.

The spelling of 25575226 in words is "twenty-five million, five hundred seventy-five thousand, two hundred twenty-six".