2135293 has 4 divisors (see below), whose sum is σ = 2156128. Its totient is φ = 2114460.

The previous prime is 2135279. The next prime is 2135303. The reversal of 2135293 is 3925312.

It is a happy number.

2135293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2135293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10263 + ... + 10468.

It is an arithmetic number, because the mean of its divisors is an integer number (539032).

2^2135293 is an apocalyptic number.

It is an amenable number.

2135293 is a deficient number, since it is larger than the sum of its proper divisors (20835).

2135293 is a wasteful number, since it uses less digits than its factorization.

2135293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20834.

The product of its digits is 1620, while the sum is 25.

The square root of 2135293 is about 1461.2641787165. The cubic root of 2135293 is about 128.7713233291.

It can be divided in two parts, 21 and 35293, that multiplied together give a triangular number (741153 = T₁₂₁₇).

The spelling of 2135293 in words is "two million, one hundred thirty-five thousand, two hundred ninety-three".