601138765 has 8 divisors (see below), whose sum is σ = 722436120. Its totient is φ = 480197952.

The previous prime is 601138691. The next prime is 601138817. The reversal of 601138765 is 567831106.

601138765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 117050761 + 484088004 = 10819^2 + 22002^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 601138765 - 2²⁵ = 567584333 is a prime.

It is a super-2 number, since 2×601138765² = 722735629571450450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85410 + ... + 92179.

It is an arithmetic number, because the mean of its divisors is an integer number (90304515).

Almost surely, 2^601138765 is an apocalyptic number.

It is an amenable number.

601138765 is a deficient number, since it is larger than the sum of its proper divisors (121297355).

601138765 is a wasteful number, since it uses less digits than its factorization.

601138765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178271.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 601138765 is about 24518.1313521239. The cubic root of 601138765 is about 843.9659234125.

The spelling of 601138765 in words is "six hundred one million, one hundred thirty-eight thousand, seven hundred sixty-five".