497493239 has 4 divisors (see below), whose sum is σ = 513541440. Its totient is φ = 481445040.

The previous prime is 497493233. The next prime is 497493259. The reversal of 497493239 is 932394794.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 497493239 - 2⁴ = 497493223 is a prime.

It is a super-2 number, since 2×497493239² = 494999045701422242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497493233) 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, 8024054 + ... + 8024115.

It is an arithmetic number, because the mean of its divisors is an integer number (128385360).

Almost surely, 2^497493239 is an apocalyptic number.

497493239 is a deficient number, since it is larger than the sum of its proper divisors (16048201).

497493239 is a wasteful number, since it uses less digits than its factorization.

497493239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16048200.

The product of its digits is 1469664, while the sum is 50.

The square root of 497493239 is about 22304.5564627499. The cubic root of 497493239 is about 792.3718914418.

The spelling of 497493239 in words is "four hundred ninety-seven million, four hundred ninety-three thousand, two hundred thirty-nine".