45757531 has 2 divisors, whose sum is σ = 45757532. Its totient is φ = 45757530.

The previous prime is 45757507. The next prime is 45757541. The reversal of 45757531 is 13575754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45757531 - 2⁷ = 45757403 is a prime.

It is a super-2 number, since 2×45757531² = 4187503286431922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45757541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22878765 + 22878766.

It is an arithmetic number, because the mean of its divisors is an integer number (22878766).

Almost surely, 2^45757531 is an apocalyptic number.

45757531 is a deficient number, since it is larger than the sum of its proper divisors (1).

45757531 is an equidigital number, since it uses as much as digits as its factorization.

45757531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73500, while the sum is 37.

The square root of 45757531 is about 6764.4313138652. The cubic root of 45757531 is about 357.6741284190.

It can be divided in two parts, 4575753 and 1, that added together give a palindrome (4575754).

The spelling of 45757531 in words is "forty-five million, seven hundred fifty-seven thousand, five hundred thirty-one".