417253609 has 4 divisors (see below), whose sum is σ = 418999680. Its totient is φ = 415507540.

The previous prime is 417253591. The next prime is 417253633. The reversal of 417253609 is 906352714.

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, and also an emirpimes, since its reverse is a distinct semiprime: 906352714 = 2 ⋅453176357.

It is a cyclic number.

It is not a de Polignac number, because 417253609 - 2²¹ = 415156457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (417253909) 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, 872677 + ... + 873154.

It is an arithmetic number, because the mean of its divisors is an integer number (104749920).

Almost surely, 2^417253609 is an apocalyptic number.

It is an amenable number.

417253609 is a deficient number, since it is larger than the sum of its proper divisors (1746071).

417253609 is a wasteful number, since it uses less digits than its factorization.

417253609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746070.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 417253609 is about 20426.7865558927. The cubic root of 417253609 is about 747.2513366988.

The spelling of 417253609 in words is "four hundred seventeen million, two hundred fifty-three thousand, six hundred nine".