409250395 has 4 divisors (see below), whose sum is σ = 491100480. Its totient is φ = 327400312.

The previous prime is 409250371. The next prime is 409250399. The reversal of 409250395 is 593052904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 409250395 - 2⁷ = 409250267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (409250399) 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, 40925035 + ... + 40925044.

It is an arithmetic number, because the mean of its divisors is an integer number (122775120).

Almost surely, 2^409250395 is an apocalyptic number.

409250395 is a deficient number, since it is larger than the sum of its proper divisors (81850085).

409250395 is an equidigital number, since it uses as much as digits as its factorization.

409250395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81850084.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 409250395 is about 20229.9380869048. The cubic root of 409250395 is about 742.4428612214.

The spelling of 409250395 in words is "four hundred nine million, two hundred fifty thousand, three hundred ninety-five".