23585257 has 2 divisors, whose sum is σ = 23585258. Its totient is φ = 23585256.

The previous prime is 23585201. The next prime is 23585269. The reversal of 23585257 is 75258532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22553001 + 1032256 = 4749^2 + 1016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23585257 is a prime.

It is not a weakly prime, because it can be changed into another prime (23585057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11792628 + 11792629.

It is an arithmetic number, because the mean of its divisors is an integer number (11792629).

Almost surely, 2^23585257 is an apocalyptic number.

It is an amenable number.

23585257 is a deficient number, since it is larger than the sum of its proper divisors (1).

23585257 is an equidigital number, since it uses as much as digits as its factorization.

23585257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 37.

The square root of 23585257 is about 4856.4654842797. The cubic root of 23585257 is about 286.7786863151.

It can be divided in two parts, 2358525 and 7, that added together give a palindrome (2358532).

The spelling of 23585257 in words is "twenty-three million, five hundred eighty-five thousand, two hundred fifty-seven".