508697 has 4 divisors (see below), whose sum is σ = 581376. Its totient is φ = 436020.

The previous prime is 508693. The next prime is 508709. The reversal of 508697 is 796805.

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: 796805 = 5 ⋅159361.

It is a cyclic number.

It is not a de Polignac number, because 508697 - 2² = 508693 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 508697.

It is not an unprimeable number, because it can be changed into a prime (508693) 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, 36329 + ... + 36342.

It is an arithmetic number, because the mean of its divisors is an integer number (145344).

2⁵⁰⁸⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

508697 is a deficient number, since it is larger than the sum of its proper divisors (72679).

508697 is an equidigital number, since it uses as much as digits as its factorization.

508697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72678.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 508697 is about 713.2299769359. The cubic root of 508697 is about 79.8275974840.

The spelling of 508697 in words is "five hundred eight thousand, six hundred ninety-seven".