499825257 has 8 divisors (see below), whose sum is σ = 668412576. Its totient is φ = 332227392.

The previous prime is 499825243. The next prime is 499825273. The reversal of 499825257 is 752528994.

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

It is not a de Polignac number, because 499825257 - 2¹¹ = 499823209 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (499825297) 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, 246183 + ... + 248204.

It is an arithmetic number, because the mean of its divisors is an integer number (83551572).

Almost surely, 2^499825257 is an apocalyptic number.

It is an amenable number.

499825257 is a deficient number, since it is larger than the sum of its proper divisors (168587319).

499825257 is a wasteful number, since it uses less digits than its factorization.

499825257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494727.

The product of its digits is 1814400, while the sum is 51.

The square root of 499825257 is about 22356.7720612793. The cubic root of 499825257 is about 793.6080528032.

The spelling of 499825257 in words is "four hundred ninety-nine million, eight hundred twenty-five thousand, two hundred fifty-seven".