2715641 has 4 divisors (see below), whose sum is σ = 2737152. Its totient is φ = 2694132.

The previous prime is 2715637. The next prime is 2715649. The reversal of 2715641 is 1465172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2715641 - 2² = 2715637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2715641.

It is not an unprimeable number, because it can be changed into a prime (2715649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10565 + ... + 10818.

It is an arithmetic number, because the mean of its divisors is an integer number (684288).

2^2715641 is an apocalyptic number.

It is an amenable number.

2715641 is a deficient number, since it is larger than the sum of its proper divisors (21511).

2715641 is a wasteful number, since it uses less digits than its factorization.

2715641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21510.

The product of its digits is 1680, while the sum is 26.

The square root of 2715641 is about 1647.9202043788. The cubic root of 2715641 is about 139.5160329804.

Subtracting from 2715641 its sum of digits (26), we obtain a triangular number (2715615 = T₂₃₃₀).

The spelling of 2715641 in words is "two million, seven hundred fifteen thousand, six hundred forty-one".