491702275 has 12 divisors (see below), whose sum is σ = 613366992. Its totient is φ = 391003040.

The previous prime is 491702269. The next prime is 491702293. The reversal of 491702275 is 572207194.

It is a de Polignac number, because none of the positive numbers 2^k-491702275 is a prime.

It is a super-2 number, since 2×491702275² = 483542254480351250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54712 + ... + 63061.

It is an arithmetic number, because the mean of its divisors is an integer number (51113916).

Almost surely, 2^491702275 is an apocalyptic number.

491702275 is a deficient number, since it is larger than the sum of its proper divisors (121664717).

491702275 is a wasteful number, since it uses less digits than its factorization.

491702275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117950 (or 117945 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 491702275 is about 22174.3607574153. The cubic root of 491702275 is about 789.2854057236.

The spelling of 491702275 in words is "four hundred ninety-one million, seven hundred two thousand, two hundred seventy-five".