45997951 has 2 divisors, whose sum is σ = 45997952. Its totient is φ = 45997950.

The previous prime is 45997943. The next prime is 45997961. The reversal of 45997951 is 15979954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45997951 - 2³ = 45997943 is a prime.

It is a super-2 number, since 2×45997951² = 4231622992396802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45997895 and 45997904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45997901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22998975 + 22998976.

It is an arithmetic number, because the mean of its divisors is an integer number (22998976).

Almost surely, 2^45997951 is an apocalyptic number.

45997951 is a deficient number, since it is larger than the sum of its proper divisors (1).

45997951 is an equidigital number, since it uses as much as digits as its factorization.

45997951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 49.

The square root of 45997951 is about 6782.1789271590. The cubic root of 45997951 is about 358.2994669754.

The spelling of 45997951 in words is "forty-five million, nine hundred ninety-seven thousand, nine hundred fifty-one".