45646217 has 2 divisors, whose sum is σ = 45646218. Its totient is φ = 45646216.

The previous prime is 45646199. The next prime is 45646219. The reversal of 45646217 is 71264654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34762816 + 10883401 = 5896^2 + 3299^2 .

It is a cyclic number.

It is not a de Polignac number, because 45646217 - 2²² = 41451913 is a prime.

It is a super-2 number, since 2×45646217² = 4167154252822178, which contains 22 as substring.

Together with 45646219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45646219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22823108 + 22823109.

It is an arithmetic number, because the mean of its divisors is an integer number (22823109).

Almost surely, 2^45646217 is an apocalyptic number.

It is an amenable number.

45646217 is a deficient number, since it is larger than the sum of its proper divisors (1).

45646217 is an equidigital number, since it uses as much as digits as its factorization.

45646217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 45646217 is about 6756.1984133091. The cubic root of 45646217 is about 357.3838558603.

The spelling of 45646217 in words is "forty-five million, six hundred forty-six thousand, two hundred seventeen".