410242409 has 2 divisors, whose sum is σ = 410242410. Its totient is φ = 410242408.

The previous prime is 410242369. The next prime is 410242429. The reversal of 410242409 is 904242014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270931600 + 139310809 = 16460^2 + 11803^2 .

It is a cyclic number.

It is not a de Polignac number, because 410242409 - 2¹² = 410238313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (410242429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205121204 + 205121205.

It is an arithmetic number, because the mean of its divisors is an integer number (205121205).

Almost surely, 2^410242409 is an apocalyptic number.

It is an amenable number.

410242409 is a deficient number, since it is larger than the sum of its proper divisors (1).

410242409 is an equidigital number, since it uses as much as digits as its factorization.

410242409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 410242409 is about 20254.4417104002. The cubic root of 410242409 is about 743.0422655828.

The spelling of 410242409 in words is "four hundred ten million, two hundred forty-two thousand, four hundred nine".