400241333 has 2 divisors, whose sum is σ = 400241334. Its totient is φ = 400241332.

The previous prime is 400241329. The next prime is 400241357. The reversal of 400241333 is 333142004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399720049 + 521284 = 19993^2 + 722^2 .

It is a cyclic number.

It is not a de Polignac number, because 400241333 - 2² = 400241329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400241323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200120666 + 200120667.

It is an arithmetic number, because the mean of its divisors is an integer number (200120667).

Almost surely, 2^400241333 is an apocalyptic number.

It is an amenable number.

400241333 is a deficient number, since it is larger than the sum of its proper divisors (1).

400241333 is an equidigital number, since it uses as much as digits as its factorization.

400241333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 400241333 is about 20006.0324152492. The cubic root of 400241333 is about 736.9544496665.

Adding to 400241333 its reverse (333142004), we get a palindrome (733383337).

The spelling of 400241333 in words is "four hundred million, two hundred forty-one thousand, three hundred thirty-three".