23725487 has 2 divisors, whose sum is σ = 23725488. Its totient is φ = 23725486.

The previous prime is 23725477. The next prime is 23725519. The reversal of 23725487 is 78452732.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23725487 - 2⁶ = 23725423 is a prime.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 23725487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23725477) 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 as a sum of consecutive naturals, namely, 11862743 + 11862744.

It is an arithmetic number, because the mean of its divisors is an integer number (11862744).

Almost surely, 2^23725487 is an apocalyptic number.

23725487 is a deficient number, since it is larger than the sum of its proper divisors (1).

23725487 is an equidigital number, since it uses as much as digits as its factorization.

23725487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 38.

The square root of 23725487 is about 4870.8815423905. The cubic root of 23725487 is about 287.3459267716.

The spelling of 23725487 in words is "twenty-three million, seven hundred twenty-five thousand, four hundred eighty-seven".