2681562 has 32 divisors (see below), whose sum is σ = 5967360. Its totient is φ = 797760.

The previous prime is 2681561. The next prime is 2681573. The reversal of 2681562 is 2651862.

It is not an unprimeable number, because it can be changed into a prime (2681561) 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, 1864 + ... + 2972.

It is an arithmetic number, because the mean of its divisors is an integer number (186480).

2^2681562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2681562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2983680).

2681562 is an abundant number, since it is smaller than the sum of its proper divisors (3285798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2681562 is a wasteful number, since it uses less digits than its factorization.

2681562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158.

The product of its digits is 5760, while the sum is 30.

The square root of 2681562 is about 1637.5475565613. The cubic root of 2681562 is about 138.9299717992.

It can be divided in two parts, 268 and 1562, that added together give a triangular number (1830 = T₆₀).

The spelling of 2681562 in words is "two million, six hundred eighty-one thousand, five hundred sixty-two".