25522575 has 24 divisors (see below), whose sum is σ = 45445008. Its totient is φ = 12564480.

The previous prime is 25522561. The next prime is 25522577. The reversal of 25522575 is 57522552.

It is not a de Polignac number, because 25522575 - 2¹¹ = 25520527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25522577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12114 + ... + 14063.

It is an arithmetic number, because the mean of its divisors is an integer number (1893542).

Almost surely, 2^25522575 is an apocalyptic number.

25522575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25522575 is a deficient number, since it is larger than the sum of its proper divisors (19922433).

25522575 is a wasteful number, since it uses less digits than its factorization.

25522575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26203 (or 26198 counting only the distinct ones).

The product of its digits is 35000, while the sum is 33.

The square root of 25522575 is about 5051.9872327630. The cubic root of 25522575 is about 294.4250988701.

The spelling of 25522575 in words is "twenty-five million, five hundred twenty-two thousand, five hundred seventy-five".