601001939 has 4 divisors (see below), whose sum is σ = 632633640. Its totient is φ = 569370240.

The previous prime is 601001909. The next prime is 601001963. The reversal of 601001939 is 939100106.

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 601001939 - 2²⁴ = 584224723 is a prime.

It is a super-2 number, since 2×601001939² = 722406661363519442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601001909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15815822 + ... + 15815859.

It is an arithmetic number, because the mean of its divisors is an integer number (158158410).

Almost surely, 2^601001939 is an apocalyptic number.

601001939 is a deficient number, since it is larger than the sum of its proper divisors (31631701).

601001939 is a wasteful number, since it uses less digits than its factorization.

601001939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31631700.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 601001939 is about 24515.3408909605. The cubic root of 601001939 is about 843.9018864821.

The spelling of 601001939 in words is "six hundred one million, one thousand, nine hundred thirty-nine".