45877961 has 2 divisors, whose sum is σ = 45877962. Its totient is φ = 45877960.

The previous prime is 45877957. The next prime is 45877963. The reversal of 45877961 is 16977854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43494025 + 2383936 = 6595^2 + 1544^2 .

It is a cyclic number.

It is not a de Polignac number, because 45877961 - 2² = 45877957 is a prime.

Together with 45877963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45877963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22938980 + 22938981.

It is an arithmetic number, because the mean of its divisors is an integer number (22938981).

Almost surely, 2^45877961 is an apocalyptic number.

It is an amenable number.

45877961 is a deficient number, since it is larger than the sum of its proper divisors (1).

45877961 is an equidigital number, since it uses as much as digits as its factorization.

45877961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 47.

The square root of 45877961 is about 6773.3271735536. The cubic root of 45877961 is about 357.9876430095.

The spelling of 45877961 in words is "forty-five million, eight hundred seventy-seven thousand, nine hundred sixty-one".