512697 has 4 divisors (see below), whose sum is σ = 683600. Its totient is φ = 341796.

The previous prime is 512683. The next prime is 512711. The reversal of 512697 is 796215.

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.

It is an interprime number because it is at equal distance from previous prime (512683) and next prime (512711).

It is not a de Polignac number, because 512697 - 2⁷ = 512569 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512657) 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, 85447 + ... + 85452.

It is an arithmetic number, because the mean of its divisors is an integer number (170900).

2⁵¹²⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

512697 is a deficient number, since it is larger than the sum of its proper divisors (170903).

512697 is a wasteful number, since it uses less digits than its factorization.

512697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170902.

The product of its digits is 3780, while the sum is 30.

The square root of 512697 is about 716.0286307125. The cubic root of 512697 is about 80.0362856228.

The spelling of 512697 in words is "five hundred twelve thousand, six hundred ninety-seven".