491300975 has 24 divisors (see below), whose sum is σ = 665850240. Its totient is φ = 356636000.

The previous prime is 491300963. The next prime is 491300981. The reversal of 491300975 is 579003194.

It is a happy number.

It is not a de Polignac number, because 491300975 - 2²² = 487106671 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179870 + ... + 182580.

It is an arithmetic number, because the mean of its divisors is an integer number (27743760).

Almost surely, 2^491300975 is an apocalyptic number.

491300975 is a deficient number, since it is larger than the sum of its proper divisors (174549265).

491300975 is a wasteful number, since it uses less digits than its factorization.

491300975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391 (or 3386 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 491300975 is about 22165.3101715270. The cubic root of 491300975 is about 789.0706236918.

The spelling of 491300975 in words is "four hundred ninety-one million, three hundred thousand, nine hundred seventy-five".