2133433 has 2 divisors, whose sum is σ = 2133434. Its totient is φ = 2133432.

The previous prime is 2133431. The next prime is 2133463. The reversal of 2133433 is 3343312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2039184 + 94249 = 1428^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133433 - 2¹ = 2133431 is a prime.

Together with 2133431, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2 + 1 + 3⁴ + 3⁸ + 4⁵ + 3¹² + 3¹³ .

2133433 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2133433.

It is not a weakly prime, because it can be changed into another prime (2133431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066716 + 1066717.

It is an arithmetic number, because the mean of its divisors is an integer number (1066717).

2^2133433 is an apocalyptic number.

It is an amenable number.

2133433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133433 is an equidigital number, since it uses as much as digits as its factorization.

2133433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 19.

The square root of 2133433 is about 1460.6276048329. The cubic root of 2133433 is about 128.7339226476.

Adding to 2133433 its reverse (3343312), we get a palindrome (5476745).

The spelling of 2133433 in words is "two million, one hundred thirty-three thousand, four hundred thirty-three".