601868089 has 3 divisors (see below), whose sum is σ = 601892623. Its totient is φ = 601843556.

The previous prime is 601868087. The next prime is 601868129. The reversal of 601868089 is 980868106.

The square root of 601868089 is 24533.

It is a perfect power (a square), and thus also a powerful number.

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 only one way, i.e., 10989225 + 590878864 = 3315^2 + 24308^2 .

It is not a de Polignac number, because 601868089 - 2¹ = 601868087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601868083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 12267 + ... + 36799.

Almost surely, 2^601868089 is an apocalyptic number.

601868089 is the 24533-rd square number.

601868089 is the 12267-th centered octagonal number.

It is an amenable number.

601868089 is a deficient number, since it is larger than the sum of its proper divisors (24534).

601868089 is an frugal number, since it uses more digits than its factorization.

601868089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49066 (or 24533 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The cubic root of 601868089 is about 844.3070958011.

The spelling of 601868089 in words is "six hundred one million, eight hundred sixty-eight thousand, eighty-nine".