498531 has 8 divisors (see below), whose sum is σ = 725184. Its totient is φ = 302120.

The previous prime is 498527. The next prime is 498551. The reversal of 498531 is 135894.

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 498531 - 2² = 498527 is a prime.

It is a super-2 number, since 2×498531² = 497066315922, which contains 22 as substring.

498531 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (498521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7521 + ... + 7586.

It is an arithmetic number, because the mean of its divisors is an integer number (90648).

2⁴⁹⁸⁵³¹ is an apocalyptic number.

498531 is a deficient number, since it is larger than the sum of its proper divisors (226653).

498531 is a wasteful number, since it uses less digits than its factorization.

498531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15121.

The product of its digits is 4320, while the sum is 30.

The square root of 498531 is about 706.0672772477. The cubic root of 498531 is about 79.2922466124.

Subtracting from 498531 its sum of digits (30), we obtain a triangular number (498501 = T₉₉₈).

The spelling of 498531 in words is "four hundred ninety-eight thousand, five hundred thirty-one".