2003562 has 32 divisors (see below), whose sum is σ = 4858560. Its totient is φ = 606960.

The previous prime is 2003557. The next prime is 2003591. The reversal of 2003562 is 2653002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (151830).

2^2003562 is an apocalyptic number.

2003562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2003562 is an abundant number, since it is smaller than the sum of its proper divisors (2854998).

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

2003562 is a wasteful number, since it uses less digits than its factorization.

2003562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395 (or 3389 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2003562 is about 1415.4723593204. The cubic root of 2003562 is about 126.0668579417.

Adding to 2003562 its reverse (2653002), we get a palindrome (4656564).

The spelling of 2003562 in words is "two million, three thousand, five hundred sixty-two".