2601613 has 16 divisors (see below), whose sum is σ = 3235840. Its totient is φ = 2041200.

The previous prime is 2601607. The next prime is 2601617. The reversal of 2601613 is 3161062.

It is not a de Polignac number, because 2601613 - 2¹³ = 2593421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3808 + ... + 4438.

It is an arithmetic number, because the mean of its divisors is an integer number (202240).

2^2601613 is an apocalyptic number.

It is an amenable number.

2601613 is a deficient number, since it is larger than the sum of its proper divisors (634227).

2601613 is a wasteful number, since it uses less digits than its factorization.

2601613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2601613 is about 1612.9516421765. The cubic root of 2601613 is about 137.5353165481.

Adding to 2601613 its reverse (3161062), we get a palindrome (5762675).

The spelling of 2601613 in words is "two million, six hundred one thousand, six hundred thirteen".