6401033 has 2 divisors, whose sum is σ = 6401034. Its totient is φ = 6401032.

The previous prime is 6401029. The next prime is 6401069. The reversal of 6401033 is 3301046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6210064 + 190969 = 2492^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 6401033 - 2² = 6401029 is a prime.

It is a super-3 number, since 3×6401033³ (a number of 21 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6401093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200516 + 3200517.

It is an arithmetic number, because the mean of its divisors is an integer number (3200517).

Almost surely, 2^6401033 is an apocalyptic number.

It is an amenable number.

6401033 is a deficient number, since it is larger than the sum of its proper divisors (1).

6401033 is an equidigital number, since it uses as much as digits as its factorization.

6401033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 6401033 is about 2530.0262844484. The cubic root of 6401033 is about 185.6735418931.

Adding to 6401033 its reverse (3301046), we get a palindrome (9702079).

The spelling of 6401033 in words is "six million, four hundred one thousand, thirty-three".