2612641 has 4 divisors (see below), whose sum is σ = 2626372. Its totient is φ = 2598912.

The previous prime is 2612549. The next prime is 2612647. The reversal of 2612641 is 1462162.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1766241 + 846400 = 1329^2 + 920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2612641 is a prime.

It is a Duffinian number.

2612641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2612647) 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, 6576 + ... + 6961.

It is an arithmetic number, because the mean of its divisors is an integer number (656593).

2^2612641 is an apocalyptic number.

It is an amenable number.

2612641 is a deficient number, since it is larger than the sum of its proper divisors (13731).

2612641 is a wasteful number, since it uses less digits than its factorization.

2612641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13730.

The product of its digits is 576, while the sum is 22.

The square root of 2612641 is about 1616.3666044558. The cubic root of 2612641 is about 137.7293758230.

The spelling of 2612641 in words is "two million, six hundred twelve thousand, six hundred forty-one".