25366522 has 4 divisors (see below), whose sum is σ = 38049786. Its totient is φ = 12683260.

The previous prime is 25366483. The next prime is 25366529. The reversal of 25366522 is 22566352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24790441 + 576081 = 4979^2 + 759^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (25366529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6341629 + ... + 6341632.

Almost surely, 2^25366522 is an apocalyptic number.

25366522 is a deficient number, since it is larger than the sum of its proper divisors (12683264).

25366522 is a wasteful number, since it uses less digits than its factorization.

25366522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12683263.

The product of its digits is 21600, while the sum is 31.

The square root of 25366522 is about 5036.5188374511. The cubic root of 25366522 is about 293.8238026723.

The spelling of 25366522 in words is "twenty-five million, three hundred sixty-six thousand, five hundred twenty-two".