498272581 has 4 divisors (see below), whose sum is σ = 501329632. Its totient is φ = 495215532.

The previous prime is 498272569. The next prime is 498272609. The reversal of 498272581 is 185272894.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 185272894 = 2 ⋅92636447.

It is a cyclic number.

It is not a de Polignac number, because 498272581 - 2¹⁵ = 498239813 is a prime.

It is a super-2 number, since 2×498272581² = 496551129952803122, 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 (498272531) 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, 1528281 + ... + 1528606.

It is an arithmetic number, because the mean of its divisors is an integer number (125332408).

Almost surely, 2^498272581 is an apocalyptic number.

It is an amenable number.

498272581 is a deficient number, since it is larger than the sum of its proper divisors (3057051).

498272581 is a wasteful number, since it uses less digits than its factorization.

498272581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057050.

The product of its digits is 322560, while the sum is 46.

The square root of 498272581 is about 22322.0200922766. The cubic root of 498272581 is about 792.7854357649.

The spelling of 498272581 in words is "four hundred ninety-eight million, two hundred seventy-two thousand, five hundred eighty-one".