2143733 has 2 divisors, whose sum is σ = 2143734. Its totient is φ = 2143732.

The previous prime is 2143711. The next prime is 2143741. The reversal of 2143733 is 3373412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2140369 + 3364 = 1463^2 + 58^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2143733 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 2⁹ + 1 + 4⁷ + 3⁶ + 7³ + 3¹² + 3¹³ .

It is a Curzon number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 2143699 and 2143708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071866 + 1071867.

It is an arithmetic number, because the mean of its divisors is an integer number (1071867).

2^2143733 is an apocalyptic number.

It is an amenable number.

2143733 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143733 is an equidigital number, since it uses as much as digits as its factorization.

2143733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 23.

The square root of 2143733 is about 1464.1492410270. The cubic root of 2143733 is about 128.9407616159.

The spelling of 2143733 in words is "two million, one hundred forty-three thousand, seven hundred thirty-three".