45661117 has 2 divisors, whose sum is σ = 45661118. Its totient is φ = 45661116.

The previous prime is 45661097. The next prime is 45661127. The reversal of 45661117 is 71116654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39614436 + 6046681 = 6294^2 + 2459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45661117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45661127) 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, 22830558 + 22830559.

It is an arithmetic number, because the mean of its divisors is an integer number (22830559).

Almost surely, 2^45661117 is an apocalyptic number.

It is an amenable number.

45661117 is a deficient number, since it is larger than the sum of its proper divisors (1).

45661117 is an equidigital number, since it uses as much as digits as its factorization.

45661117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 45661117 is about 6757.3010144584. The cubic root of 45661117 is about 357.4227377984.

The spelling of 45661117 in words is "forty-five million, six hundred sixty-one thousand, one hundred seventeen".