559457491 has 4 divisors (see below), whose sum is σ = 565225192. Its totient is φ = 553689792.

The previous prime is 559457419. The next prime is 559457513. The reversal of 559457491 is 194754955.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 559457491 - 2⁹ = 559456979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (559457191) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2883705 + ... + 2883898.

It is an arithmetic number, because the mean of its divisors is an integer number (141306298).

Almost surely, 2^559457491 is an apocalyptic number.

559457491 is a deficient number, since it is larger than the sum of its proper divisors (5767701).

559457491 is an equidigital number, since it uses as much as digits as its factorization.

559457491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5767700.

The product of its digits is 1134000, while the sum is 49.

The square root of 559457491 is about 23652.8537601703. The cubic root of 559457491 is about 823.9908032051.

It can be divided in two parts, 55945 and 7491, that added together give a palindrome (63436).

The spelling of 559457491 in words is "five hundred fifty-nine million, four hundred fifty-seven thousand, four hundred ninety-one".