601131601 has 12 divisors (see below), whose sum is σ = 694239168. Its totient is φ = 509887872.

The previous prime is 601131581. The next prime is 601131607. The reversal of 601131601 is 106131106.

It is not a de Polignac number, because 601131601 - 2⁵ = 601131569 is a prime.

It is a super-2 number, since 2×601131601² = 722718403441646402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601131607) 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 11 ways as a sum of consecutive naturals, for example, 61300 + ... + 70426.

It is an arithmetic number, because the mean of its divisors is an integer number (57853264).

Almost surely, 2^601131601 is an apocalyptic number.

It is an amenable number.

601131601 is a deficient number, since it is larger than the sum of its proper divisors (93107567).

601131601 is an frugal number, since it uses more digits than its factorization.

601131601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9328 (or 9231 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 601131601 is about 24517.9852557261. The cubic root of 601131601 is about 843.9625707779.

Adding to 601131601 its reverse (106131106), we get a palindrome (707262707).

The spelling of 601131601 in words is "six hundred one million, one hundred thirty-one thousand, six hundred one".