45117071 has 2 divisors, whose sum is σ = 45117072. Its totient is φ = 45117070.

The previous prime is 45117049. The next prime is 45117073. The reversal of 45117071 is 17071154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45117071 - 2¹⁰ = 45116047 is a prime.

Together with 45117073, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45117071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45117073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22558535 + 22558536.

It is an arithmetic number, because the mean of its divisors is an integer number (22558536).

Almost surely, 2^45117071 is an apocalyptic number.

45117071 is a deficient number, since it is larger than the sum of its proper divisors (1).

45117071 is an equidigital number, since it uses as much as digits as its factorization.

45117071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 45117071 is about 6716.9242216955. The cubic root of 45117071 is about 355.9975145010.

The spelling of 45117071 in words is "forty-five million, one hundred seventeen thousand, seventy-one".