2601165 has 24 divisors (see below), whose sum is σ = 4842720. Its totient is φ = 1188768.

The previous prime is 2601149. The next prime is 2601167. The reversal of 2601165 is 5611062.

It is a happy number.

It is not a de Polignac number, because 2601165 - 2⁴ = 2601149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1035 + ... + 2504.

It is an arithmetic number, because the mean of its divisors is an integer number (201780).

2^2601165 is an apocalyptic number.

It is an amenable number.

2601165 is a deficient number, since it is larger than the sum of its proper divisors (2241555).

2601165 is a wasteful number, since it uses less digits than its factorization.

2601165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561 (or 3554 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2601165 is about 1612.8127603662. The cubic root of 2601165 is about 137.5274215282.

The spelling of 2601165 in words is "two million, six hundred one thousand, one hundred sixty-five".