601505161 has 8 divisors (see below), whose sum is σ = 605404800. Its totient is φ = 597614688.

The previous prime is 601505129. The next prime is 601505171. The reversal of 601505161 is 161505106.

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 601505161 - 2⁵ = 601505129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601505171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168780 + ... + 172306.

It is an arithmetic number, because the mean of its divisors is an integer number (75675600).

Almost surely, 2^601505161 is an apocalyptic number.

It is an amenable number.

601505161 is a deficient number, since it is larger than the sum of its proper divisors (3899639).

601505161 is a wasteful number, since it uses less digits than its factorization.

601505161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 601505161 is about 24525.6021536679. The cubic root of 601505161 is about 844.1373552310.

It can be divided in two parts, 601 and 505161, that multiplied together give a triangular number (303601761 = T₂₄₆₄₁).

The spelling of 601505161 in words is "six hundred one million, five hundred five thousand, one hundred sixty-one".