497239523 has 4 divisors (see below), whose sum is σ = 542443128. Its totient is φ = 452035920.

The previous prime is 497239517. The next prime is 497239531. The reversal of 497239523 is 325932794.

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 497239523 - 2¹⁰ = 497238499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497239723) 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, 22601786 + ... + 22601807.

It is an arithmetic number, because the mean of its divisors is an integer number (135610782).

Almost surely, 2^497239523 is an apocalyptic number.

497239523 is a deficient number, since it is larger than the sum of its proper divisors (45203605).

497239523 is a wasteful number, since it uses less digits than its factorization.

497239523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45203604.

The product of its digits is 408240, while the sum is 44.

The square root of 497239523 is about 22298.8681999782. The cubic root of 497239523 is about 792.2371682628.

The spelling of 497239523 in words is "four hundred ninety-seven million, two hundred thirty-nine thousand, five hundred twenty-three".