1563042 has 32 divisors (see below), whose sum is σ = 3487680. Its totient is φ = 463680.

The previous prime is 1563041. The next prime is 1563047. The reversal of 1563042 is 2403651.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1563041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1917 + ... + 2607.

It is an arithmetic number, because the mean of its divisors is an integer number (108990).

2^1563042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1563042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743840).

1563042 is an abundant number, since it is smaller than the sum of its proper divisors (1924638).

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

1563042 is a wasteful number, since it uses less digits than its factorization.

1563042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1563042 is about 1250.2167812024. The cubic root of 1563042 is about 116.0531365753.

Adding to 1563042 its reverse (2403651), we get a palindrome (3966693).

It can be divided in two parts, 156 and 3042, that multiplied together give a cube (474552 = 78³).

The spelling of 1563042 in words is "one million, five hundred sixty-three thousand, forty-two".