2153266 has 8 divisors (see below), whose sum is σ = 3266460. Its totient is φ = 1064448.

The previous prime is 2153243. The next prime is 2153267. The reversal of 2153266 is 6623512.

It can be written as a sum of positive squares in 2 ways, for example, as 1703025 + 450241 = 1305^2 + 671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2153266.

It is not an unprimeable number, because it can be changed into a prime (2153267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5871 + ... + 6226.

2^2153266 is an apocalyptic number.

2153266 is a deficient number, since it is larger than the sum of its proper divisors (1113194).

2153266 is a wasteful number, since it uses less digits than its factorization.

2153266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12188.

The product of its digits is 2160, while the sum is 25.

The square root of 2153266 is about 1467.4011039930. The cubic root of 2153266 is about 129.1316085685.

Adding to 2153266 its reverse (6623512), we get a palindrome (8776778).

It can be divided in two parts, 215 and 3266, that added together give a square (3481 = 59²).

The spelling of 2153266 in words is "two million, one hundred fifty-three thousand, two hundred sixty-six".