2081574 has 24 divisors (see below), whose sum is σ = 4920552. Its totient is φ = 630720.

The previous prime is 2081561. The next prime is 2081581. The reversal of 2081574 is 4751802.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5059 + ... + 5454.

It is an arithmetic number, because the mean of its divisors is an integer number (205023).

2^2081574 is an apocalyptic number.

2081574 is an abundant number, since it is smaller than the sum of its proper divisors (2838978).

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

2081574 is a wasteful number, since it uses less digits than its factorization.

2081574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10532 (or 10529 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2081574 is about 1442.7660933083. The cubic root of 2081574 is about 127.6822767746.

The spelling of 2081574 in words is "two million, eighty-one thousand, five hundred seventy-four".