2616261 has 8 divisors (see below), whose sum is σ = 3496800. Its totient is φ = 1739952.

The previous prime is 2616241. The next prime is 2616269. The reversal of 2616261 is 1626162.

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

It is a de Polignac number, because none of the positive numbers 2^k-2616261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2616269) 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, 915 + ... + 2463.

It is an arithmetic number, because the mean of its divisors is an integer number (437100).

2^2616261 is an apocalyptic number.

It is an amenable number.

2616261 is a deficient number, since it is larger than the sum of its proper divisors (880539).

2616261 is a wasteful number, since it uses less digits than its factorization.

2616261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115.

The product of its digits is 864, while the sum is 24.

The square root of 2616261 is about 1617.4860123043. The cubic root of 2616261 is about 137.7929577495.

Subtracting from 2616261 its reverse (1626162), we obtain a palindrome (990099).

The spelling of 2616261 in words is "two million, six hundred sixteen thousand, two hundred sixty-one".