45516397 has 2 divisors, whose sum is σ = 45516398. Its totient is φ = 45516396.

The previous prime is 45516353. The next prime is 45516407. The reversal of 45516397 is 79361554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40627876 + 4888521 = 6374^2 + 2211^2 .

It is a cyclic number.

It is not a de Polignac number, because 45516397 - 2²³ = 37127789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45516197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22758198 + 22758199.

It is an arithmetic number, because the mean of its divisors is an integer number (22758199).

Almost surely, 2^45516397 is an apocalyptic number.

It is an amenable number.

45516397 is a deficient number, since it is larger than the sum of its proper divisors (1).

45516397 is an equidigital number, since it uses as much as digits as its factorization.

45516397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 45516397 is about 6746.5840986384. The cubic root of 45516397 is about 357.0447286293.

The spelling of 45516397 in words is "forty-five million, five hundred sixteen thousand, three hundred ninety-seven".