2133560 has 64 divisors (see below), whose sum is σ = 5654880. Its totient is φ = 714240.

The previous prime is 2133541. The next prime is 2133563. The reversal of 2133560 is 653312.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5534 + ... + 5906.

2^2133560 is an apocalyptic number.

2133560 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 2133560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2827440).

2133560 is an abundant number, since it is smaller than the sum of its proper divisors (3521320).

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

2133560 is a wasteful number, since it uses less digits than its factorization.

2133560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2133560 is about 1460.6710786484. The cubic root of 2133560 is about 128.7364770414.

Adding to 2133560 its reverse (653312), we get a palindrome (2786872).

It can be divided in two parts, 213 and 3560, that added together give a palindrome (3773).

The spelling of 2133560 in words is "two million, one hundred thirty-three thousand, five hundred sixty".