2111552 has 14 divisors (see below), whose sum is σ = 4190238. Its totient is φ = 1055744.

The previous prime is 2111539. The next prime is 2111567. The reversal of 2111552 is 2551112.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 802816 = 1144^2 + 896^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2111552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16433 + ... + 16560.

2^2111552 is an apocalyptic number.

It is an amenable number.

2111552 is a deficient number, since it is larger than the sum of its proper divisors (2078686).

2111552 is an equidigital number, since it uses as much as digits as its factorization.

2111552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33005 (or 32995 counting only the distinct ones).

The product of its digits is 100, while the sum is 17.

The square root of 2111552 is about 1453.1180268650. The cubic root of 2111552 is about 128.2923007440.

Adding to 2111552 its reverse (2551112), we get a palindrome (4662664).

The spelling of 2111552 in words is "two million, one hundred eleven thousand, five hundred fifty-two".