498945331 has 4 divisors (see below), whose sum is σ = 499511272. Its totient is φ = 498379392.

The previous prime is 498945323. The next prime is 498945347. The reversal of 498945331 is 133549894.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 498945331 - 2³ = 498945323 is a prime.

It is a super-2 number, since 2×498945331² = 497892886653399122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498945731) 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, 281646 + ... + 283411.

It is an arithmetic number, because the mean of its divisors is an integer number (124877818).

Almost surely, 2^498945331 is an apocalyptic number.

498945331 is a deficient number, since it is larger than the sum of its proper divisors (565941).

498945331 is an equidigital number, since it uses as much as digits as its factorization.

498945331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565940.

The product of its digits is 466560, while the sum is 46.

The square root of 498945331 is about 22337.0842098963. The cubic root of 498945331 is about 793.1420722506.

It can be divided in two parts, 49894 and 5331, that added together give a square (55225 = 235²).

The spelling of 498945331 in words is "four hundred ninety-eight million, nine hundred forty-five thousand, three hundred thirty-one".