45624637 has 2 divisors, whose sum is σ = 45624638. Its totient is φ = 45624636.

The previous prime is 45624611. The next prime is 45624647. The reversal of 45624637 is 73642654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43744996 + 1879641 = 6614^2 + 1371^2 .

It is a cyclic number.

It is not a de Polignac number, because 45624637 - 2¹¹ = 45622589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45624596 and 45624605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45624647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22812318 + 22812319.

It is an arithmetic number, because the mean of its divisors is an integer number (22812319).

Almost surely, 2^45624637 is an apocalyptic number.

It is an amenable number.

45624637 is a deficient number, since it is larger than the sum of its proper divisors (1).

45624637 is an equidigital number, since it uses as much as digits as its factorization.

45624637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 37.

The square root of 45624637 is about 6754.6011725342. The cubic root of 45624637 is about 357.3275272835.

The spelling of 45624637 in words is "forty-five million, six hundred twenty-four thousand, six hundred thirty-seven".