497581 has 8 divisors (see below), whose sum is σ = 587264. Its totient is φ = 412560.

The previous prime is 497579. The next prime is 497587. The reversal of 497581 is 185794.

It is a happy number.

497581 is nontrivially palindromic in base 6.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 497581 - 2¹ = 497579 is a prime.

It is a super-2 number, since 2×497581² = 495173703122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930 + ... + 1363.

It is an arithmetic number, because the mean of its divisors is an integer number (73408).

2⁴⁹⁷⁵⁸¹ is an apocalyptic number.

It is an amenable number.

497581 is a deficient number, since it is larger than the sum of its proper divisors (89683).

497581 is a wasteful number, since it uses less digits than its factorization.

497581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331.

The product of its digits is 10080, while the sum is 34.

The square root of 497581 is about 705.3942160239. The cubic root of 497581 is about 79.2418481865.

The spelling of 497581 in words is "four hundred ninety-seven thousand, five hundred eighty-one".