45871517 has 2 divisors, whose sum is σ = 45871518. Its totient is φ = 45871516.

The previous prime is 45871493. The next prime is 45871523. The reversal of 45871517 is 71517854.

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., 28847641 + 17023876 = 5371^2 + 4126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45871517 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 (45871717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22935758 + 22935759.

It is an arithmetic number, because the mean of its divisors is an integer number (22935759).

Almost surely, 2^45871517 is an apocalyptic number.

It is an amenable number.

45871517 is a deficient number, since it is larger than the sum of its proper divisors (1).

45871517 is an equidigital number, since it uses as much as digits as its factorization.

45871517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39200, while the sum is 38.

The square root of 45871517 is about 6772.8514674397. The cubic root of 45871517 is about 357.9708812911.

The spelling of 45871517 in words is "forty-five million, eight hundred seventy-one thousand, five hundred seventeen".