45811517 has 2 divisors, whose sum is σ = 45811518. Its totient is φ = 45811516.

The previous prime is 45811499. The next prime is 45811529. The reversal of 45811517 is 71511854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45778756 + 32761 = 6766^2 + 181^2 .

It is a cyclic number.

It is not a de Polignac number, because 45811517 - 2⁶ = 45811453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45811537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22905758 + 22905759.

It is an arithmetic number, because the mean of its divisors is an integer number (22905759).

Almost surely, 2^45811517 is an apocalyptic number.

It is an amenable number.

45811517 is a deficient number, since it is larger than the sum of its proper divisors (1).

45811517 is an equidigital number, since it uses as much as digits as its factorization.

45811517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 32.

The square root of 45811517 is about 6768.4205690840. The cubic root of 45811517 is about 357.8147377434.

The spelling of 45811517 in words is "forty-five million, eight hundred eleven thousand, five hundred seventeen".