45506971 has 2 divisors, whose sum is σ = 45506972. Its totient is φ = 45506970.

The previous prime is 45506969. The next prime is 45507017. The reversal of 45506971 is 17960554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45506971 - 2¹ = 45506969 is a prime.

Together with 45506969, 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 45506971.

It is not a weakly prime, because it can be changed into another prime (45507971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22753485 + 22753486.

It is an arithmetic number, because the mean of its divisors is an integer number (22753486).

Almost surely, 2^45506971 is an apocalyptic number.

45506971 is a deficient number, since it is larger than the sum of its proper divisors (1).

45506971 is an equidigital number, since it uses as much as digits as its factorization.

45506971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 45506971 is about 6745.8854867245. The cubic root of 45506971 is about 357.0200801056.

The spelling of 45506971 in words is "forty-five million, five hundred six thousand, nine hundred seventy-one".