2135562 has 64 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 561600.

The previous prime is 2135537. The next prime is 2135563. The reversal of 2135562 is 2655312.

It is a d-powerful number, because it can be written as 2¹⁹ + 1 + 3¹² + 5⁶ + 5⁶ + 6 + 2²⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135563) 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 31 ways as a sum of consecutive naturals, for example, 16237 + ... + 16367.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2^2135562 is an apocalyptic number.

2135562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2661120).

2135562 is an abundant number, since it is smaller than the sum of its proper divisors (3186678).

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

2135562 is a wasteful number, since it uses less digits than its factorization.

2135562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179.

The product of its digits is 1800, while the sum is 24.

The square root of 2135562 is about 1461.3562194072. The cubic root of 2135562 is about 128.7767305545.

It can be divided in two parts, 213 and 5562, that added together give a palindrome (5775).

The spelling of 2135562 in words is "two million, one hundred thirty-five thousand, five hundred sixty-two".