45532931 has 2 divisors, whose sum is σ = 45532932. Its totient is φ = 45532930.

The previous prime is 45532889. The next prime is 45532933. The reversal of 45532931 is 13923554.

45532931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45532931 is a prime.

It is a super-2 number, since 2×45532931² = 4146495610901522, which contains 22 as substring.

Together with 45532933, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45532933) 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, 22766465 + 22766466.

It is an arithmetic number, because the mean of its divisors is an integer number (22766466).

Almost surely, 2^45532931 is an apocalyptic number.

45532931 is a deficient number, since it is larger than the sum of its proper divisors (1).

45532931 is an equidigital number, since it uses as much as digits as its factorization.

45532931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 32.

The square root of 45532931 is about 6747.8093482255. The cubic root of 45532931 is about 357.0879560028.

The spelling of 45532931 in words is "forty-five million, five hundred thirty-two thousand, nine hundred thirty-one".