516823497 has 20 divisors (see below), whose sum is σ = 775948800. Its totient is φ = 342806904.

The previous prime is 516823457. The next prime is 516823499. The reversal of 516823497 is 794328615.

It is not a de Polignac number, because 516823497 - 2¹⁰ = 516822473 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (516823499) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 88 + ... + 32150.

It is an arithmetic number, because the mean of its divisors is an integer number (38797440).

Almost surely, 2^516823497 is an apocalyptic number.

It is an amenable number.

516823497 is a deficient number, since it is larger than the sum of its proper divisors (259125303).

516823497 is a wasteful number, since it uses less digits than its factorization.

516823497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32274 (or 32265 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 516823497 is about 22733.7523739483. The cubic root of 516823497 is about 802.5043898790.

The spelling of 516823497 in words is "five hundred sixteen million, eight hundred twenty-three thousand, four hundred ninety-seven".