574198991 has 4 divisors (see below), whose sum is σ = 579280512. Its totient is φ = 569117472.

The previous prime is 574198949. The next prime is 574198993. The reversal of 574198991 is 199891475.

574198991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-574198991 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 (574198993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2540591 + ... + 2540816.

It is an arithmetic number, because the mean of its divisors is an integer number (144820128).

Almost surely, 2^574198991 is an apocalyptic number.

574198991 is a deficient number, since it is larger than the sum of its proper divisors (5081521).

574198991 is a wasteful number, since it uses less digits than its factorization.

574198991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081520.

The product of its digits is 816480, while the sum is 53.

The square root of 574198991 is about 23962.4496034942. The cubic root of 574198991 is about 831.1654363935.

The spelling of 574198991 in words is "five hundred seventy-four million, one hundred ninety-eight thousand, nine hundred ninety-one".