516497 has 4 divisors (see below), whose sum is σ = 518196. Its totient is φ = 514800.

The previous prime is 516493. The next prime is 516499. The reversal of 516497 is 794615.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 794615 = 5 ⋅158923.

It can be written as a sum of positive squares in 2 ways, for example, as 118336 + 398161 = 344^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 516497 - 2² = 516493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 516497.

It is not an unprimeable number, because it can be changed into a prime (516493) 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, 254 + ... + 1047.

It is an arithmetic number, because the mean of its divisors is an integer number (129549).

2⁵¹⁶⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

516497 is a deficient number, since it is larger than the sum of its proper divisors (1699).

516497 is a wasteful number, since it uses less digits than its factorization.

516497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698.

The product of its digits is 7560, while the sum is 32.

The square root of 516497 is about 718.6772571885. The cubic root of 516497 is about 80.2335363463.

The spelling of 516497 in words is "five hundred sixteen thousand, four hundred ninety-seven".