2153293 has 4 divisors (see below), whose sum is σ = 2157948. Its totient is φ = 2148640.

The previous prime is 2153273. The next prime is 2153297. The reversal of 2153293 is 3923512.

It is a happy number.

2153293 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1108809 + 1044484 = 1053^2 + 1022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153293 is a prime.

It is an Ulam number.

It is a Duffinian number.

2153293 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153297) 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, 1546 + ... + 2587.

It is an arithmetic number, because the mean of its divisors is an integer number (539487).

2^2153293 is an apocalyptic number.

It is an amenable number.

2153293 is a deficient number, since it is larger than the sum of its proper divisors (4655).

2153293 is an equidigital number, since it uses as much as digits as its factorization.

2153293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4654.

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

The square root of 2153293 is about 1467.4103039028. The cubic root of 2153293 is about 129.1321482973.

The spelling of 2153293 in words is "two million, one hundred fifty-three thousand, two hundred ninety-three".