409560971 has 2 divisors, whose sum is σ = 409560972. Its totient is φ = 409560970.

The previous prime is 409560901. The next prime is 409561021. The reversal of 409560971 is 179065904.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-409560971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (409560901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204780485 + 204780486.

It is an arithmetic number, because the mean of its divisors is an integer number (204780486).

Almost surely, 2^409560971 is an apocalyptic number.

409560971 is a deficient number, since it is larger than the sum of its proper divisors (1).

409560971 is an equidigital number, since it uses as much as digits as its factorization.

409560971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 409560971 is about 20237.6127791793. The cubic root of 409560971 is about 742.6306245337.

The spelling of 409560971 in words is "four hundred nine million, five hundred sixty thousand, nine hundred seventy-one".