2815542 has 12 divisors (see below), whose sum is σ = 6100380. Its totient is φ = 938508.

The previous prime is 2815529. The next prime is 2815559. The reversal of 2815542 is 2455182.

It is a happy number.

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 78192 + ... + 78227.

It is an arithmetic number, because the mean of its divisors is an integer number (508365).

2^2815542 is an apocalyptic number.

2815542 is an abundant number, since it is smaller than the sum of its proper divisors (3284838).

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

2815542 is a wasteful number, since it uses less digits than its factorization.

2815542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156427 (or 156424 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2815542 is about 1677.9576871900. The cubic root of 2815542 is about 141.2062772236.

The spelling of 2815542 in words is "two million, eight hundred fifteen thousand, five hundred forty-two".