45953813 has 2 divisors, whose sum is σ = 45953814. Its totient is φ = 45953812.

The previous prime is 45953797. The next prime is 45953821. The reversal of 45953813 is 31835954.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43335889 + 2617924 = 6583^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 45953813 - 2⁴ = 45953797 is a prime.

It is a super-2 number, since 2×45953813² = 4223505858477938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45953513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22976906 + 22976907.

It is an arithmetic number, because the mean of its divisors is an integer number (22976907).

Almost surely, 2^45953813 is an apocalyptic number.

It is an amenable number.

45953813 is a deficient number, since it is larger than the sum of its proper divisors (1).

45953813 is an equidigital number, since it uses as much as digits as its factorization.

45953813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 45953813 is about 6778.9241771833. The cubic root of 45953813 is about 358.1848264852.

The spelling of 45953813 in words is "forty-five million, nine hundred fifty-three thousand, eight hundred thirteen".