45057517 has 2 divisors, whose sum is σ = 45057518. Its totient is φ = 45057516.

The previous prime is 45057511. The next prime is 45057521. The reversal of 45057517 is 71575054.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29800681 + 15256836 = 5459^2 + 3906^2 .

It is a cyclic number.

It is not a de Polignac number, because 45057517 - 2²³ = 36668909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45057511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22528758 + 22528759.

It is an arithmetic number, because the mean of its divisors is an integer number (22528759).

Almost surely, 2^45057517 is an apocalyptic number.

It is an amenable number.

45057517 is a deficient number, since it is larger than the sum of its proper divisors (1).

45057517 is an equidigital number, since it uses as much as digits as its factorization.

45057517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 45057517 is about 6712.4896275525. The cubic root of 45057517 is about 355.8408080279.

The spelling of 45057517 in words is "forty-five million, fifty-seven thousand, five hundred seventeen".