410242309 has 2 divisors, whose sum is σ = 410242310. Its totient is φ = 410242308.

The previous prime is 410242303. The next prime is 410242321. The reversal of 410242309 is 903242014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233937025 + 176305284 = 15295^2 + 13278^2 .

It is a cyclic number.

It is not a de Polignac number, because 410242309 - 2¹³ = 410234117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (410242303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205121154 + 205121155.

It is an arithmetic number, because the mean of its divisors is an integer number (205121155).

Almost surely, 2^410242309 is an apocalyptic number.

It is an amenable number.

410242309 is a deficient number, since it is larger than the sum of its proper divisors (1).

410242309 is an equidigital number, since it uses as much as digits as its factorization.

410242309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 410242309 is about 20254.4392418057. The cubic root of 410242309 is about 743.0422052085.

The spelling of 410242309 in words is "four hundred ten million, two hundred forty-two thousand, three hundred nine".