2581076 has 12 divisors (see below), whose sum is σ = 4782708. Its totient is φ = 1214592.

The previous prime is 2581069. The next prime is 2581079. The reversal of 2581076 is 6701852.

It can be written as a sum of positive squares in 2 ways, for example, as 828100 + 1752976 = 910^2 + 1324^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581079) 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, 18911 + ... + 19046.

It is an arithmetic number, because the mean of its divisors is an integer number (398559).

2^2581076 is an apocalyptic number.

It is an amenable number.

2581076 is a deficient number, since it is larger than the sum of its proper divisors (2201632).

2581076 is a wasteful number, since it uses less digits than its factorization.

2581076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37978 (or 37976 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2581076 is about 1606.5727496755. The cubic root of 2581076 is about 137.1724611604.

The spelling of 2581076 in words is "two million, five hundred eighty-one thousand, seventy-six".