45372913 has 2 divisors, whose sum is σ = 45372914. Its totient is φ = 45372912.

The previous prime is 45372851. The next prime is 45372917. The reversal of 45372913 is 31927354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45265984 + 106929 = 6728^2 + 327^2 .

It is a cyclic number.

It is not a de Polignac number, because 45372913 - 2¹⁷ = 45241841 is a prime.

It is equal to p_2739454 and since 45372913 and 2739454 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (45372917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22686456 + 22686457.

It is an arithmetic number, because the mean of its divisors is an integer number (22686457).

Almost surely, 2^45372913 is an apocalyptic number.

It is an amenable number.

45372913 is a deficient number, since it is larger than the sum of its proper divisors (1).

45372913 is an equidigital number, since it uses as much as digits as its factorization.

45372913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 45372913 is about 6735.9418792029. The cubic root of 45372913 is about 356.6691560467.

The spelling of 45372913 in words is "forty-five million, three hundred seventy-two thousand, nine hundred thirteen".