2581150 has 72 divisors (see below), whose sum is σ = 5952744. Its totient is φ = 820800.

The previous prime is 2581147. The next prime is 2581171. The reversal of 2581150 is 511852.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 135841 + ... + 135859.

It is an arithmetic number, because the mean of its divisors is an integer number (82677).

2^2581150 is an apocalyptic number.

2581150 is an abundant number, since it is smaller than the sum of its proper divisors (3371594).

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

2581150 is a wasteful number, since it uses less digits than its factorization.

2581150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 2581150 is about 1606.5957799023. The cubic root of 2581150 is about 137.1737720691.

The spelling of 2581150 in words is "two million, five hundred eighty-one thousand, one hundred fifty".