45041251 has 2 divisors, whose sum is σ = 45041252. Its totient is φ = 45041250.

The previous prime is 45041239. The next prime is 45041257. The reversal of 45041251 is 15214054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45041251 - 2⁷ = 45041123 is a prime.

It is not a weakly prime, because it can be changed into another prime (45041257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22520625 + 22520626.

It is an arithmetic number, because the mean of its divisors is an integer number (22520626).

Almost surely, 2^45041251 is an apocalyptic number.

45041251 is a deficient number, since it is larger than the sum of its proper divisors (1).

45041251 is an equidigital number, since it uses as much as digits as its factorization.

45041251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 45041251 is about 6711.2778961983. The cubic root of 45041251 is about 355.7979827414.

The spelling of 45041251 in words is "forty-five million, forty-one thousand, two hundred fifty-one".