598741561 has 4 divisors (see below), whose sum is σ = 653172624. Its totient is φ = 544310500.

The previous prime is 598741541. The next prime is 598741571. The reversal of 598741561 is 165147895.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 598741561 - 2⁵ = 598741529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (598741501) 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, 27215515 + ... + 27215536.

It is an arithmetic number, because the mean of its divisors is an integer number (163293156).

Almost surely, 2^598741561 is an apocalyptic number.

It is an amenable number.

598741561 is a deficient number, since it is larger than the sum of its proper divisors (54431063).

598741561 is a wasteful number, since it uses less digits than its factorization.

598741561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54431062.

The product of its digits is 302400, while the sum is 46.

The square root of 598741561 is about 24469.1961657918. The cubic root of 598741561 is about 842.8425811399.

The spelling of 598741561 in words is "five hundred ninety-eight million, seven hundred forty-one thousand, five hundred sixty-one".