2153234 has 4 divisors (see below), whose sum is σ = 3229854. Its totient is φ = 1076616.

The previous prime is 2153227. The next prime is 2153243. The reversal of 2153234 is 4323512.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2111209 + 42025 = 1453^2 + 205^2 .

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 5³ + 3⁵ + 2²¹ + 3⁸ + 4⁷ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538307 + ... + 538310.

2^2153234 is an apocalyptic number.

2153234 is a deficient number, since it is larger than the sum of its proper divisors (1076620).

2153234 is a wasteful number, since it uses less digits than its factorization.

2153234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076619.

The product of its digits is 720, while the sum is 20.

The square root of 2153234 is about 1467.3902003216. The cubic root of 2153234 is about 129.1309688841.

Adding to 2153234 its reverse (4323512), we get a palindrome (6476746).

The spelling of 2153234 in words is "two million, one hundred fifty-three thousand, two hundred thirty-four".