409560901 has 2 divisors, whose sum is σ = 409560902. Its totient is φ = 409560900.

The previous prime is 409560887. The next prime is 409560971. The reversal of 409560901 is 109065904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219810276 + 189750625 = 14826^2 + 13775^2 .

It is a cyclic number.

It is not a de Polignac number, because 409560901 - 2²³ = 401172293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409560971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204780450 + 204780451.

It is an arithmetic number, because the mean of its divisors is an integer number (204780451).

Almost surely, 2^409560901 is an apocalyptic number.

It is an amenable number.

409560901 is a deficient number, since it is larger than the sum of its proper divisors (1).

409560901 is an equidigital number, since it uses as much as digits as its factorization.

409560901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 409560901 is about 20237.6110497262. The cubic root of 409560901 is about 742.6305822248.

The spelling of 409560901 in words is "four hundred nine million, five hundred sixty thousand, nine hundred one".