2043562 has 8 divisors (see below), whose sum is σ = 3107556. Its totient is φ = 1007712.

The previous prime is 2043541. The next prime is 2043571. The reversal of 2043562 is 2653402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2042041 + 1521 = 1429^2 + 39^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2043562² = 8352291295688, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 6853 + ... + 7144.

2^2043562 is an apocalyptic number.

2043562 is a deficient number, since it is larger than the sum of its proper divisors (1063994).

2043562 is a wasteful number, since it uses less digits than its factorization.

2043562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14072.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2043562 is about 1429.5320912802. The cubic root of 2043562 is about 126.9002875332.

Adding to 2043562 its reverse (2653402), we get a palindrome (4696964).

The spelling of 2043562 in words is "two million, forty-three thousand, five hundred sixty-two".