609434875 has 16 divisors (see below), whose sum is σ = 869229504. Its totient is φ = 417897600.

The previous prime is 609434857. The next prime is 609434893. The reversal of 609434875 is 578434906.

It is an interprime number because it is at equal distance from previous prime (609434857) and next prime (609434893).

It is not a de Polignac number, because 609434875 - 2⁵ = 609434843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347374 + ... + 349123.

It is an arithmetic number, because the mean of its divisors is an integer number (54326844).

Almost surely, 2^609434875 is an apocalyptic number.

609434875 is a deficient number, since it is larger than the sum of its proper divisors (259794629).

609434875 is an equidigital number, since it uses as much as digits as its factorization.

609434875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696519 (or 696509 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 609434875 is about 24686.7347982677. The cubic root of 609434875 is about 847.8306271994.

The spelling of 609434875 in words is "six hundred nine million, four hundred thirty-four thousand, eight hundred seventy-five".