2011552 has 12 divisors (see below), whose sum is σ = 3960306. Its totient is φ = 1005760.

The previous prime is 2011543. The next prime is 2011561. The reversal of 2011552 is 2551102.

It is an interprime number because it is at equal distance from previous prime (2011543) and next prime (2011561).

It can be written as a sum of positive squares in only one way, i.e., 1157776 + 853776 = 1076^2 + 924^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31399 + ... + 31462.

2^2011552 is an apocalyptic number.

It is an amenable number.

2011552 is a deficient number, since it is larger than the sum of its proper divisors (1948754).

2011552 is an equidigital number, since it uses as much as digits as its factorization.

2011552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62871 (or 62863 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2011552 is about 1418.2919304572. The cubic root of 2011552 is about 126.2342162407.

Adding to 2011552 its reverse (2551102), we get a palindrome (4562654).

The spelling of 2011552 in words is "two million, eleven thousand, five hundred fifty-two".