601371161 has 4 divisors (see below), whose sum is σ = 601428324. Its totient is φ = 601314000.

The previous prime is 601371143. The next prime is 601371167. The reversal of 601371161 is 161173106.

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 2 ways, for example, as 414529600 + 186841561 = 20360^2 + 13669^2 .

It is a cyclic number.

It is not a de Polignac number, because 601371161 - 2¹⁰ = 601370137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 601371161.

It is not an unprimeable number, because it can be changed into a prime (601371167) 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 3 ways as a sum of consecutive naturals, for example, 7730 + ... + 35531.

It is an arithmetic number, because the mean of its divisors is an integer number (150357081).

Almost surely, 2^601371161 is an apocalyptic number.

It is an amenable number.

601371161 is a deficient number, since it is larger than the sum of its proper divisors (57163).

601371161 is a wasteful number, since it uses less digits than its factorization.

601371161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57162.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 601371161 is about 24522.8701623607. The cubic root of 601371161 is about 844.0746664886.

The spelling of 601371161 in words is "six hundred one million, three hundred seventy-one thousand, one hundred sixty-one".