497437697 has 4 divisors (see below), whose sum is σ = 526698756. Its totient is φ = 468176640.

The previous prime is 497437679. The next prime is 497437709. The reversal of 497437697 is 796734794.

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: 796734794 = 2 ⋅398367397.

It can be written as a sum of positive squares in 2 ways, for example, as 428945521 + 68492176 = 20711^2 + 8276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497437697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497437097) 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, 14630504 + ... + 14630537.

It is an arithmetic number, because the mean of its divisors is an integer number (131674689).

Almost surely, 2^497437697 is an apocalyptic number.

It is an amenable number.

497437697 is a deficient number, since it is larger than the sum of its proper divisors (29261059).

497437697 is a wasteful number, since it uses less digits than its factorization.

497437697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29261058.

The product of its digits is 8001504, while the sum is 56.

The square root of 497437697 is about 22303.3113460759. The cubic root of 497437697 is about 792.3424025603.

The spelling of 497437697 in words is "four hundred ninety-seven million, four hundred thirty-seven thousand, six hundred ninety-seven".