6403045 has 16 divisors (see below), whose sum is σ = 8563968. Its totient is φ = 4555840.

The previous prime is 6403031. The next prime is 6403051. The reversal of 6403045 is 5403046.

6403045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6403045 - 2¹³ = 6394853 is a prime.

It is a super-3 number, since 3×6403045³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1347 + ... + 3823.

It is an arithmetic number, because the mean of its divisors is an integer number (535248).

Almost surely, 2^6403045 is an apocalyptic number.

It is an amenable number.

6403045 is a deficient number, since it is larger than the sum of its proper divisors (2160923).

6403045 is a wasteful number, since it uses less digits than its factorization.

6403045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 6403045 is about 2530.4238775351. The cubic root of 6403045 is about 185.6929937551.

Subtracting from 6403045 its reverse (5403046), we obtain a palindrome (999999).

The spelling of 6403045 in words is "six million, four hundred three thousand, forty-five".