45040571 has 2 divisors, whose sum is σ = 45040572. Its totient is φ = 45040570.

The previous prime is 45040543. The next prime is 45040573. The reversal of 45040571 is 17504054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45040571 - 2¹⁸ = 44778427 is a prime.

It is a Sophie Germain prime.

Together with 45040573, 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 45040571.

It is not a weakly prime, because it can be changed into another prime (45040573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22520285 + 22520286.

It is an arithmetic number, because the mean of its divisors is an integer number (22520286).

Almost surely, 2^45040571 is an apocalyptic number.

45040571 is a deficient number, since it is larger than the sum of its proper divisors (1).

45040571 is an equidigital number, since it uses as much as digits as its factorization.

45040571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 45040571 is about 6711.2272350145. The cubic root of 45040571 is about 355.7961922061.

The spelling of 45040571 in words is "forty-five million, forty thousand, five hundred seventy-one".