2142433 has 4 divisors (see below), whose sum is σ = 2216340. Its totient is φ = 2068528.

The previous prime is 2142431. The next prime is 2142449. The reversal of 2142433 is 3342412.

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 685584 + 1456849 = 828^2 + 1207^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142433 - 2¹ = 2142431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2142433.

It is not an unprimeable number, because it can be changed into a prime (2142431) 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, 36910 + ... + 36967.

It is an arithmetic number, because the mean of its divisors is an integer number (554085).

2^2142433 is an apocalyptic number.

It is an amenable number.

2142433 is a deficient number, since it is larger than the sum of its proper divisors (73907).

2142433 is an equidigital number, since it uses as much as digits as its factorization.

2142433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73906.

The product of its digits is 576, while the sum is 19.

The square root of 2142433 is about 1463.7052298875. The cubic root of 2142433 is about 128.9146923115.

Adding to 2142433 its reverse (3342412), we get a palindrome (5484845).

The spelling of 2142433 in words is "two million, one hundred forty-two thousand, four hundred thirty-three".