497257597 has 4 divisors (see below), whose sum is σ = 497305980. Its totient is φ = 497209216.

The previous prime is 497257573. The next prime is 497257601. The reversal of 497257597 is 795752794.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 81342361 + 415915236 = 9019^2 + 20394^2 .

It is a cyclic number.

It is not a de Polignac number, because 497257597 - 2¹⁵ = 497224829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497257567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1972 + ... + 31597.

It is an arithmetic number, because the mean of its divisors is an integer number (124326495).

Almost surely, 2^497257597 is an apocalyptic number.

It is an amenable number.

497257597 is a deficient number, since it is larger than the sum of its proper divisors (48383).

497257597 is a wasteful number, since it uses less digits than its factorization.

497257597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48382.

The product of its digits is 5556600, while the sum is 55.

The square root of 497257597 is about 22299.2734635010. The cubic root of 497257597 is about 792.2467670714.

The spelling of 497257597 in words is "four hundred ninety-seven million, two hundred fifty-seven thousand, five hundred ninety-seven".