45656519 has 2 divisors, whose sum is σ = 45656520. Its totient is φ = 45656518.

The previous prime is 45656489. The next prime is 45656561. The reversal of 45656519 is 91565654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45656519 - 2⁸ = 45656263 is a prime.

It is a super-2 number, since 2×45656519² = 4169035454394722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45656419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22828259 + 22828260.

It is an arithmetic number, because the mean of its divisors is an integer number (22828260).

Almost surely, 2^45656519 is an apocalyptic number.

45656519 is a deficient number, since it is larger than the sum of its proper divisors (1).

45656519 is an equidigital number, since it uses as much as digits as its factorization.

45656519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 41.

The square root of 45656519 is about 6756.9607812981. The cubic root of 45656519 is about 357.4107401001.

The spelling of 45656519 in words is "forty-five million, six hundred fifty-six thousand, five hundred nineteen".