6402433 has 2 divisors, whose sum is σ = 6402434. Its totient is φ = 6402432.

The previous prime is 6402413. The next prime is 6402439. The reversal of 6402433 is 3342046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4464769 + 1937664 = 2113^2 + 1392^2 .

It is a cyclic number.

It is not a de Polignac number, because 6402433 - 2⁵ = 6402401 is a prime.

It is a super-2 number, since 2×6402433² = 81982296638978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6402439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201216 + 3201217.

It is an arithmetic number, because the mean of its divisors is an integer number (3201217).

Almost surely, 2^6402433 is an apocalyptic number.

It is an amenable number.

6402433 is a deficient number, since it is larger than the sum of its proper divisors (1).

6402433 is an equidigital number, since it uses as much as digits as its factorization.

6402433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 6402433 is about 2530.3029462892. The cubic root of 6402433 is about 185.6870774172.

Adding to 6402433 its reverse (3342046), we get a palindrome (9744479).

The spelling of 6402433 in words is "six million, four hundred two thousand, four hundred thirty-three".