45986519 has 2 divisors, whose sum is σ = 45986520. Its totient is φ = 45986518.

The previous prime is 45986503. The next prime is 45986527. The reversal of 45986519 is 91568954.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45986519 - 2⁴ = 45986503 is a prime.

It is a super-2 number, since 2×45986519² = 4229519859474722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45986599) 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, 22993259 + 22993260.

It is an arithmetic number, because the mean of its divisors is an integer number (22993260).

Almost surely, 2^45986519 is an apocalyptic number.

45986519 is a deficient number, since it is larger than the sum of its proper divisors (1).

45986519 is an equidigital number, since it uses as much as digits as its factorization.

45986519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 47.

The square root of 45986519 is about 6781.3360777947. The cubic root of 45986519 is about 358.2697814583.

The spelling of 45986519 in words is "forty-five million, nine hundred eighty-six thousand, five hundred nineteen".