2381633 has 2 divisors, whose sum is σ = 2381634. Its totient is φ = 2381632.

The previous prime is 2381629. The next prime is 2381651. The reversal of 2381633 is 3361832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2380849 + 784 = 1543^2 + 28^2 .

It is a cyclic number.

It is not a de Polignac number, because 2381633 - 2² = 2381629 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2381693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190816 + 1190817.

It is an arithmetic number, because the mean of its divisors is an integer number (1190817).

2^2381633 is an apocalyptic number.

It is an amenable number.

2381633 is a deficient number, since it is larger than the sum of its proper divisors (1).

2381633 is an equidigital number, since it uses as much as digits as its factorization.

2381633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 2381633 is about 1543.2540296400. The cubic root of 2381633 is about 133.5441740596.

The spelling of 2381633 in words is "two million, three hundred eighty-one thousand, six hundred thirty-three".