499945231 has 8 divisors (see below), whose sum is σ = 530236800. Its totient is φ = 469751808.

The previous prime is 499945217. The next prime is 499945247. The reversal of 499945231 is 132549994.

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 499945231 - 2¹⁵ = 499912463 is a prime.

It is a super-2 number, since 2×499945231² = 499890467999286722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499945531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13906 + ... + 34543.

It is an arithmetic number, because the mean of its divisors is an integer number (66279600).

Almost surely, 2^499945231 is an apocalyptic number.

499945231 is a deficient number, since it is larger than the sum of its proper divisors (30291569).

499945231 is a wasteful number, since it uses less digits than its factorization.

499945231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49073.

The product of its digits is 349920, while the sum is 46.

The square root of 499945231 is about 22359.4550693884. The cubic root of 499945231 is about 793.6715448032.

It can be divided in two parts, 49994 and 5231, that added together give a square (55225 = 235²).

The spelling of 499945231 in words is "four hundred ninety-nine million, nine hundred forty-five thousand, two hundred thirty-one".