490316251 has 8 divisors (see below), whose sum is σ = 499823120. Its totient is φ = 480873888.

The previous prime is 490316249. The next prime is 490316269. The reversal of 490316251 is 152613094.

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 490316251 - 2¹ = 490316249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490316221) 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, 636 + ... + 31321.

It is an arithmetic number, because the mean of its divisors is an integer number (62477890).

Almost surely, 2^490316251 is an apocalyptic number.

490316251 is a deficient number, since it is larger than the sum of its proper divisors (9506869).

490316251 is a wasteful number, since it uses less digits than its factorization.

490316251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32253.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 490316251 is about 22143.0858508926. The cubic root of 490316251 is about 788.5430879387.

The spelling of 490316251 in words is "four hundred ninety million, three hundred sixteen thousand, two hundred fifty-one".