499712257 has 8 divisors (see below), whose sum is σ = 545493312. Its totient is φ = 453990000.

The previous prime is 499712243. The next prime is 499712267. The reversal of 499712257 is 752217994.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499712257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499712267) 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, 4132 + ... + 31882.

It is an arithmetic number, because the mean of its divisors is an integer number (68186664).

Almost surely, 2^499712257 is an apocalyptic number.

It is an amenable number.

499712257 is a deficient number, since it is larger than the sum of its proper divisors (45781055).

499712257 is a wasteful number, since it uses less digits than its factorization.

499712257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29399.

The product of its digits is 317520, while the sum is 46.

The square root of 499712257 is about 22354.2447199631. The cubic root of 499712257 is about 793.5482422543.

The spelling of 499712257 in words is "four hundred ninety-nine million, seven hundred twelve thousand, two hundred fifty-seven".