609596731 has 2 divisors, whose sum is σ = 609596732. Its totient is φ = 609596730.

The previous prime is 609596723. The next prime is 609596773. The reversal of 609596731 is 137695906.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 609596731 - 2³ = 609596723 is a prime.

It is a super-2 number, since 2×609596731² = 743216348891772722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (609596231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304798365 + 304798366.

It is an arithmetic number, because the mean of its divisors is an integer number (304798366).

Almost surely, 2^609596731 is an apocalyptic number.

609596731 is a deficient number, since it is larger than the sum of its proper divisors (1).

609596731 is an equidigital number, since it uses as much as digits as its factorization.

609596731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 609596731 is about 24690.0127784495. The cubic root of 609596731 is about 847.9056772351.

The spelling of 609596731 in words is "six hundred nine million, five hundred ninety-six thousand, seven hundred thirty-one".