45564931 has 2 divisors, whose sum is σ = 45564932. Its totient is φ = 45564930.

The previous prime is 45564929. The next prime is 45564941. The reversal of 45564931 is 13946554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45564931 - 2¹ = 45564929 is a prime.

It is a super-2 number, since 2×45564931² = 4152325874069522, which contains 22 as substring.

Together with 45564929, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45564901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22782465 + 22782466.

It is an arithmetic number, because the mean of its divisors is an integer number (22782466).

Almost surely, 2^45564931 is an apocalyptic number.

45564931 is a deficient number, since it is larger than the sum of its proper divisors (1).

45564931 is an equidigital number, since it uses as much as digits as its factorization.

45564931 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 45564931 is about 6750.1800716722. The cubic root of 45564931 is about 357.1715887971.

The spelling of 45564931 in words is "forty-five million, five hundred sixty-four thousand, nine hundred thirty-one".