2581008 has 40 divisors (see below), whose sum is σ = 7062048. Its totient is φ = 809472.

The previous prime is 2581003. The next prime is 2581013. The reversal of 2581008 is 8001852.

It is an interprime number because it is at equal distance from previous prime (2581003) and next prime (2581013).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2581003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766 + ... + 2397.

2^2581008 is an apocalyptic number.

It is an amenable number.

2581008 is an abundant number, since it is smaller than the sum of its proper divisors (4481040).

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

2581008 is a wasteful number, since it uses less digits than its factorization.

2581008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3185 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 2581008 is about 1606.5515864733. The cubic root of 2581008 is about 137.1712565195.

The spelling of 2581008 in words is "two million, five hundred eighty-one thousand, eight".