491226575 has 12 divisors (see below), whose sum is σ = 696138480. Its totient is φ = 336840960.

The previous prime is 491226557. The next prime is 491226581. The reversal of 491226575 is 575622194.

It is not a de Polignac number, because 491226575 - 2¹⁸ = 490964431 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1403330 + ... + 1403679.

It is an arithmetic number, because the mean of its divisors is an integer number (58011540).

Almost surely, 2^491226575 is an apocalyptic number.

491226575 is a deficient number, since it is larger than the sum of its proper divisors (204911905).

491226575 is a wasteful number, since it uses less digits than its factorization.

491226575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807026 (or 2807021 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 491226575 is about 22163.6318097915. The cubic root of 491226575 is about 789.0307907984.

The spelling of 491226575 in words is "four hundred ninety-one million, two hundred twenty-six thousand, five hundred seventy-five".