491575953 has 8 divisors (see below), whose sum is σ = 715019616. Its totient is φ = 297924800.

The previous prime is 491575951. The next prime is 491575993. The reversal of 491575953 is 359575194.

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 491575953 - 2¹ = 491575951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (491575951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7448088 + ... + 7448153.

It is an arithmetic number, because the mean of its divisors is an integer number (89377452).

Almost surely, 2^491575953 is an apocalyptic number.

It is an amenable number.

491575953 is a deficient number, since it is larger than the sum of its proper divisors (223443663).

491575953 is a wasteful number, since it uses less digits than its factorization.

491575953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14896255.

The product of its digits is 850500, while the sum is 48.

The square root of 491575953 is about 22171.5121947061. The cubic root of 491575953 is about 789.2178088223.

It can be divided in two parts, 491575 and 953, that added together give a triangular number (492528 = T₉₉₂).

The spelling of 491575953 in words is "four hundred ninety-one million, five hundred seventy-five thousand, nine hundred fifty-three".