2153280 has 56 divisors (see below), whose sum is σ = 6839712. Its totient is φ = 573952.

The previous prime is 2153273. The next prime is 2153297. The reversal of 2153280 is 823512.

It is a super-2 number, since 2×2153280² = 9273229516800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162 + ... + 2081.

2^2153280 is an apocalyptic number.

2153280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2153280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3419856).

2153280 is an abundant number, since it is smaller than the sum of its proper divisors (4686432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2153280 is a wasteful number, since it uses less digits than its factorization.

2153280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2153280 is about 1467.4058743238. The cubic root of 2153280 is about 129.1318884284.

Adding to 2153280 its reverse (823512), we get a palindrome (2976792).

It can be divided in two parts, 21532 and 80, that added together give a palindrome (21612).

The spelling of 2153280 in words is "two million, one hundred fifty-three thousand, two hundred eighty".