45666013 has 2 divisors, whose sum is σ = 45666014. Its totient is φ = 45666012.

The previous prime is 45666011. The next prime is 45666031. The reversal of 45666013 is 31066654.

Together with next prime (45666031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31058329 + 14607684 = 5573^2 + 3822^2 .

It is a cyclic number.

It is not a de Polignac number, because 45666013 - 2¹ = 45666011 is a prime.

Together with 45666011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45666011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22833006 + 22833007.

It is an arithmetic number, because the mean of its divisors is an integer number (22833007).

Almost surely, 2^45666013 is an apocalyptic number.

It is an amenable number.

45666013 is a deficient number, since it is larger than the sum of its proper divisors (1).

45666013 is an equidigital number, since it uses as much as digits as its factorization.

45666013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 45666013 is about 6757.6632795664. The cubic root of 45666013 is about 357.4355121915.

The spelling of 45666013 in words is "forty-five million, six hundred sixty-six thousand, thirteen".