25522533 has 12 divisors (see below), whose sum is σ = 38231648. Its totient is φ = 17014860.

The previous prime is 25522531. The next prime is 25522537. The reversal of 25522533 is 33522552.

It is not a de Polignac number, because 25522533 - 2¹ = 25522531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25522497 and 25522506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25522531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52273 + ... + 52758.

Almost surely, 2^25522533 is an apocalyptic number.

It is an amenable number.

25522533 is a deficient number, since it is larger than the sum of its proper divisors (12709115).

25522533 is an equidigital number, since it uses as much as digits as its factorization.

25522533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105046 (or 105034 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 25522533 is about 5051.9830759812. The cubic root of 25522533 is about 294.4249373678.

The spelling of 25522533 in words is "twenty-five million, five hundred twenty-two thousand, five hundred thirty-three".