45717631 has 2 divisors, whose sum is σ = 45717632. Its totient is φ = 45717630.

The previous prime is 45717619. The next prime is 45717649. The reversal of 45717631 is 13671754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45717631 - 2¹³ = 45709439 is a prime.

It is a super-2 number, since 2×45717631² = 4180203568504322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45747631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22858815 + 22858816.

It is an arithmetic number, because the mean of its divisors is an integer number (22858816).

Almost surely, 2^45717631 is an apocalyptic number.

45717631 is a deficient number, since it is larger than the sum of its proper divisors (1).

45717631 is an equidigital number, since it uses as much as digits as its factorization.

45717631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 34.

The square root of 45717631 is about 6761.4814205173. The cubic root of 45717631 is about 357.5701357172.

The spelling of 45717631 in words is "forty-five million, seven hundred seventeen thousand, six hundred thirty-one".