23525839 has 2 divisors, whose sum is σ = 23525840. Its totient is φ = 23525838.

The previous prime is 23525833. The next prime is 23525851. The reversal of 23525839 is 93852532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23525839 - 2¹⁹ = 23001551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23525798 and 23525807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23525833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11762919 + 11762920.

It is an arithmetic number, because the mean of its divisors is an integer number (11762920).

Almost surely, 2^23525839 is an apocalyptic number.

23525839 is a deficient number, since it is larger than the sum of its proper divisors (1).

23525839 is an equidigital number, since it uses as much as digits as its factorization.

23525839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 23525839 is about 4850.3442145893. The cubic root of 23525839 is about 286.5376579836.

The spelling of 23525839 in words is "twenty-three million, five hundred twenty-five thousand, eight hundred thirty-nine".