497138 has 4 divisors (see below), whose sum is σ = 745710. Its totient is φ = 248568.

The previous prime is 497137. The next prime is 497141. The reversal of 497138 is 831794.

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

It can be written as a sum of positive squares in only one way, i.e., 458329 + 38809 = 677^2 + 197^2 .

It is not an unprimeable number, because it can be changed into a prime (497137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124283 + ... + 124286.

2⁴⁹⁷¹³⁸ is an apocalyptic number.

497138 is a deficient number, since it is larger than the sum of its proper divisors (248572).

497138 is a wasteful number, since it uses less digits than its factorization.

497138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248571.

The product of its digits is 6048, while the sum is 32.

The square root of 497138 is about 705.0801372894. The cubic root of 497138 is about 79.2183246719.

It can be divided in two parts, 497 and 138, that multiplied together give a palindrome (68586).

The spelling of 497138 in words is "four hundred ninety-seven thousand, one hundred thirty-eight".