601013691 has 6 divisors (see below), whose sum is σ = 868130900. Its totient is φ = 400675788.

The previous prime is 601013687. The next prime is 601013723. The reversal of 601013691 is 196310106.

It is not a de Polignac number, because 601013691 - 2² = 601013687 is a prime.

It is a super-2 number, since 2×601013691² = 722434913538886962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601014691) 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 5 ways as a sum of consecutive naturals, for example, 33389641 + ... + 33389658.

Almost surely, 2^601013691 is an apocalyptic number.

601013691 is a deficient number, since it is larger than the sum of its proper divisors (267117209).

601013691 is a wasteful number, since it uses less digits than its factorization.

601013691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66779305 (or 66779302 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 601013691 is about 24515.5805764416. The cubic root of 601013691 is about 843.9073870025.

Adding to 601013691 its reverse (196310106), we get a palindrome (797323797).

It can be divided in two parts, 6010 and 13691, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 601013691 in words is "six hundred one million, thirteen thousand, six hundred ninety-one".