2718361 has 4 divisors (see below), whose sum is σ = 2726500. Its totient is φ = 2710224.

The previous prime is 2718337. The next prime is 2718367. The reversal of 2718361 is 1638172.

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 1806336 + 912025 = 1344^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 2718361 - 2⁵ = 2718329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2718367) 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, 3546 + ... + 4243.

It is an arithmetic number, because the mean of its divisors is an integer number (681625).

2^2718361 is an apocalyptic number.

It is an amenable number.

2718361 is a deficient number, since it is larger than the sum of its proper divisors (8139).

2718361 is an equidigital number, since it uses as much as digits as its factorization.

2718361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8138.

The product of its digits is 2016, while the sum is 28.

The square root of 2718361 is about 1648.7452805088. The cubic root of 2718361 is about 139.5625974296.

The spelling of 2718361 in words is "two million, seven hundred eighteen thousand, three hundred sixty-one".