6401043 has 48 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 3542400.

The previous prime is 6401033. The next prime is 6401069. The reversal of 6401043 is 3401046.

It is not a de Polignac number, because 6401043 - 2⁵ = 6401011 is a prime.

6401043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6401033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77080 + ... + 77162.

It is an arithmetic number, because the mean of its divisors is an integer number (229320).

Almost surely, 2^6401043 is an apocalyptic number.

6401043 is a deficient number, since it is larger than the sum of its proper divisors (4606317).

6401043 is a wasteful number, since it uses less digits than its factorization.

6401043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6401043 is about 2530.0282607117. The cubic root of 6401043 is about 185.6736385824.

Adding to 6401043 its reverse (3401046), we get a palindrome (9802089).

The spelling of 6401043 in words is "six million, four hundred one thousand, forty-three".