45417257 has 2 divisors, whose sum is σ = 45417258. Its totient is φ = 45417256.

The previous prime is 45417233. The next prime is 45417269. The reversal of 45417257 is 75271454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45414121 + 3136 = 6739^2 + 56^2 .

It is a cyclic number.

It is not a de Polignac number, because 45417257 - 2¹⁸ = 45155113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45417287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22708628 + 22708629.

It is an arithmetic number, because the mean of its divisors is an integer number (22708629).

Almost surely, 2^45417257 is an apocalyptic number.

It is an amenable number.

45417257 is a deficient number, since it is larger than the sum of its proper divisors (1).

45417257 is an equidigital number, since it uses as much as digits as its factorization.

45417257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39200, while the sum is 35.

The square root of 45417257 is about 6739.2326714545. The cubic root of 45417257 is about 356.7853118933.

The spelling of 45417257 in words is "forty-five million, four hundred seventeen thousand, two hundred fifty-seven".