598492561 has 4 divisors (see below), whose sum is σ = 598545892. Its totient is φ = 598439232.

The previous prime is 598492553. The next prime is 598492607. The reversal of 598492561 is 165294895.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 370331536 + 228161025 = 19244^2 + 15105^2 .

It is a cyclic number.

It is not a de Polignac number, because 598492561 - 2³ = 598492553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (598492511) 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, 2580 + ... + 34693.

It is an arithmetic number, because the mean of its divisors is an integer number (149636473).

Almost surely, 2^598492561 is an apocalyptic number.

It is an amenable number.

598492561 is a deficient number, since it is larger than the sum of its proper divisors (53331).

598492561 is a wasteful number, since it uses less digits than its factorization.

598492561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53330.

The product of its digits is 777600, while the sum is 49.

The square root of 598492561 is about 24464.1076068595. The cubic root of 598492561 is about 842.7257266594.

The spelling of 598492561 in words is "five hundred ninety-eight million, four hundred ninety-two thousand, five hundred sixty-one".