609703397 has 4 divisors (see below), whose sum is σ = 609765036. Its totient is φ = 609641760.

The previous prime is 609703379. The next prime is 609703447. The reversal of 609703397 is 793307906.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 120143521 + 489559876 = 10961^2 + 22126^2 .

It is a cyclic number.

It is not a de Polignac number, because 609703397 - 2²⁰ = 608654821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609703327) 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, 12254 + ... + 37007.

It is an arithmetic number, because the mean of its divisors is an integer number (152441259).

Almost surely, 2^609703397 is an apocalyptic number.

It is an amenable number.

609703397 is a deficient number, since it is larger than the sum of its proper divisors (61639).

609703397 is a wasteful number, since it uses less digits than its factorization.

609703397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61638.

The product of its (nonzero) digits is 214326, while the sum is 44.

The square root of 609703397 is about 24692.1727881529. The cubic root of 609703397 is about 847.9551292896.

The spelling of 609703397 in words is "six hundred nine million, seven hundred three thousand, three hundred ninety-seven".