2130433 has 4 divisors (see below), whose sum is σ = 2135808. Its totient is φ = 2125060.

The previous prime is 2130391. The next prime is 2130437. The reversal of 2130433 is 3340312.

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-2130433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130437) 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, 2041 + ... + 2902.

It is an arithmetic number, because the mean of its divisors is an integer number (533952).

2^2130433 is an apocalyptic number.

It is an amenable number.

2130433 is a deficient number, since it is larger than the sum of its proper divisors (5375).

2130433 is an equidigital number, since it uses as much as digits as its factorization.

2130433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2130433 is about 1459.6002877500. The cubic root of 2130433 is about 128.6735531347.

Adding to 2130433 its reverse (3340312), we get a palindrome (5470745).

The spelling of 2130433 in words is "two million, one hundred thirty thousand, four hundred thirty-three".