45624613 has 4 divisors (see below), whose sum is σ = 45705088. Its totient is φ = 45544140.

The previous prime is 45624611. The next prime is 45624637. The reversal of 45624613 is 31642654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45624613 - 2¹ = 45624611 is a prime.

It is a super-2 number, since 2×45624613² = 4163210622799538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45624611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39381 + ... + 40522.

It is an arithmetic number, because the mean of its divisors is an integer number (11426272).

Almost surely, 2^45624613 is an apocalyptic number.

It is an amenable number.

45624613 is a deficient number, since it is larger than the sum of its proper divisors (80475).

45624613 is an equidigital number, since it uses as much as digits as its factorization.

45624613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80474.

The product of its digits is 17280, while the sum is 31.

The square root of 45624613 is about 6754.5993959672. The cubic root of 45624613 is about 357.3274646283.

The spelling of 45624613 in words is "forty-five million, six hundred twenty-four thousand, six hundred thirteen".