2153512 has 8 divisors (see below), whose sum is σ = 4037850. Its totient is φ = 1076752.

The previous prime is 2153507. The next prime is 2153519.

2153512 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 2149156 + 4356 = 1466^2 + 66^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2153512² = 9275227868288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2153512.

It is not an unprimeable number, because it can be changed into a prime (2153519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134587 + ... + 134602.

2^2153512 is an apocalyptic number.

It is an amenable number.

2153512 is a deficient number, since it is larger than the sum of its proper divisors (1884338).

2153512 is a wasteful number, since it uses less digits than its factorization.

2153512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269195 (or 269191 counting only the distinct ones).

The product of its digits is 300, while the sum is 19.

The square root of 2153512 is about 1467.4849232616. The cubic root of 2153512 is about 129.1365259306.

The spelling of 2153512 in words is "two million, one hundred fifty-three thousand, five hundred twelve".