23525549 has 2 divisors, whose sum is σ = 23525550. Its totient is φ = 23525548.

The previous prime is 23525533. The next prime is 23525563. The reversal of 23525549 is 94552532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18003049 + 5522500 = 4243^2 + 2350^2 .

It is a cyclic number.

It is not a de Polignac number, because 23525549 - 2⁴ = 23525533 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23525519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11762774 + 11762775.

It is an arithmetic number, because the mean of its divisors is an integer number (11762775).

Almost surely, 2^23525549 is an apocalyptic number.

It is an amenable number.

23525549 is a deficient number, since it is larger than the sum of its proper divisors (1).

23525549 is an equidigital number, since it uses as much as digits as its factorization.

23525549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 35.

The square root of 23525549 is about 4850.3143197117. The cubic root of 23525549 is about 286.5364806078.

The spelling of 23525549 in words is "twenty-three million, five hundred twenty-five thousand, five hundred forty-nine".