45637253 has 2 divisors, whose sum is σ = 45637254. Its totient is φ = 45637252.

The previous prime is 45637219. The next prime is 45637321. The reversal of 45637253 is 35273654.

45637253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40538689 + 5098564 = 6367^2 + 2258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45637253 is a prime.

It is a super-2 number, since 2×45637253² = 4165517722772018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45637853) 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, 22818626 + 22818627.

It is an arithmetic number, because the mean of its divisors is an integer number (22818627).

Almost surely, 2^45637253 is an apocalyptic number.

It is an amenable number.

45637253 is a deficient number, since it is larger than the sum of its proper divisors (1).

45637253 is an equidigital number, since it uses as much as digits as its factorization.

45637253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 35.

The square root of 45637253 is about 6755.5349899175. The cubic root of 45637253 is about 357.3604599922.

The spelling of 45637253 in words is "forty-five million, six hundred thirty-seven thousand, two hundred fifty-three".