497381 has 6 divisors (see below), whose sum is σ = 511110. Its totient is φ = 484008.

The previous prime is 497351. The next prime is 497389. The reversal of 497381 is 183794.

It can be written as a sum of positive squares in only one way, i.e., 312481 + 184900 = 559^2 + 430^2 .

It is a de Polignac number, because none of the positive numbers 2^k-497381 is a prime.

It is a super-2 number, since 2×497381² = 494775718322, 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 (497389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1715 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (85185).

2⁴⁹⁷³⁸¹ is an apocalyptic number.

It is an amenable number.

497381 is a deficient number, since it is larger than the sum of its proper divisors (13729).

497381 is an equidigital number, since it uses as much as digits as its factorization.

497381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 312 counting only the distinct ones).

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

The square root of 497381 is about 705.2524370748. The cubic root of 497381 is about 79.2312298191.

It can be divided in two parts, 497 and 381, that added together give a palindrome (878).

The spelling of 497381 in words is "four hundred ninety-seven thousand, three hundred eighty-one".