409750097 has 4 divisors (see below), whose sum is σ = 409906176. Its totient is φ = 409594020.

The previous prime is 409750087. The next prime is 409750109. The reversal of 409750097 is 790057904.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 409750097 - 2²⁰ = 408701521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409750007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74033 + ... + 79374.

It is an arithmetic number, because the mean of its divisors is an integer number (102476544).

Almost surely, 2^409750097 is an apocalyptic number.

It is an amenable number.

409750097 is a deficient number, since it is larger than the sum of its proper divisors (156079).

409750097 is a wasteful number, since it uses less digits than its factorization.

409750097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156078.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 409750097 is about 20242.2848759719. The cubic root of 409750097 is about 742.7449169557.

The spelling of 409750097 in words is "four hundred nine million, seven hundred fifty thousand, ninety-seven".