491480575 has 6 divisors (see below), whose sum is σ = 609435944. Its totient is φ = 393184440.

The previous prime is 491480573. The next prime is 491480593. The reversal of 491480575 is 575084194.

It is not a de Polignac number, because 491480575 - 2¹ = 491480573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491480573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9829587 + ... + 9829636.

Almost surely, 2^491480575 is an apocalyptic number.

491480575 is a deficient number, since it is larger than the sum of its proper divisors (117955369).

491480575 is a wasteful number, since it uses less digits than its factorization.

491480575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19659233 (or 19659228 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 491480575 is about 22169.3611770840. The cubic root of 491480575 is about 789.1667628720.

The spelling of 491480575 in words is "four hundred ninety-one million, four hundred eighty thousand, five hundred seventy-five".