2151233 has 8 divisors (see below), whose sum is σ = 2472960. Its totient is φ = 1833120.

The previous prime is 2151221. The next prime is 2151241. The reversal of 2151233 is 3321512.

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

It is a cyclic number.

It is not a de Polignac number, because 2151233 - 2⁸ = 2150977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2151203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533 + ... + 2141.

It is an arithmetic number, because the mean of its divisors is an integer number (309120).

2^2151233 is an apocalyptic number.

It is an amenable number.

2151233 is a deficient number, since it is larger than the sum of its proper divisors (321727).

2151233 is a wasteful number, since it uses less digits than its factorization.

2151233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its digits is 180, while the sum is 17.

The square root of 2151233 is about 1466.7082191084. The cubic root of 2151233 is about 129.0909560242.

Adding to 2151233 its reverse (3321512), we get a palindrome (5472745).

The spelling of 2151233 in words is "two million, one hundred fifty-one thousand, two hundred thirty-three".