4081562 has 4 divisors (see below), whose sum is σ = 6122346. Its totient is φ = 2040780.

The previous prime is 4081549. The next prime is 4081579. The reversal of 4081562 is 2651804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3455881 + 625681 = 1859^2 + 791^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020389 + ... + 1020392.

Almost surely, 2^4081562 is an apocalyptic number.

4081562 is a deficient number, since it is larger than the sum of its proper divisors (2040784).

4081562 is a wasteful number, since it uses less digits than its factorization.

4081562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040783.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 4081562 is about 2020.2876032882. The cubic root of 4081562 is about 159.8117838870.

The spelling of 4081562 in words is "four million, eighty-one thousand, five hundred sixty-two".