2153504 has 24 divisors (see below), whose sum is σ = 4275180. Its totient is φ = 1067776.

The previous prime is 2153491. The next prime is 2153507. The reversal of 2153504 is 4053512.

It can be written as a sum of positive squares in 2 ways, for example, as 2131600 + 21904 = 1460^2 + 148^2 .

It is not an unprimeable number, because it can be changed into a prime (2153507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5342 + ... + 5730.

2^2153504 is an apocalyptic number.

It is an amenable number.

2153504 is a deficient number, since it is larger than the sum of its proper divisors (2121676).

2153504 is a wasteful number, since it uses less digits than its factorization.

2153504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2153504 is about 1467.4821975070. The cubic root of 2153504 is about 129.1363660223.

The spelling of 2153504 in words is "two million, one hundred fifty-three thousand, five hundred four".