6401205 has 24 divisors (see below), whose sum is σ = 11288160. Its totient is φ = 3354720.

The previous prime is 6401203. The next prime is 6401249. The reversal of 6401205 is 5021046.

It is a happy number.

6401205 is a `hidden beast` number, since 640 + 1 + 20 + 5 = 666.

It is not a de Polignac number, because 6401205 - 2¹ = 6401203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6401203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1450 + ... + 3860.

It is an arithmetic number, because the mean of its divisors is an integer number (470340).

Almost surely, 2^6401205 is an apocalyptic number.

It is an amenable number.

6401205 is a deficient number, since it is larger than the sum of its proper divisors (4886955).

6401205 is a wasteful number, since it uses less digits than its factorization.

6401205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481 (or 2478 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 6401205 is about 2530.0602759618. The cubic root of 6401205 is about 185.6752049353.

The spelling of 6401205 in words is "six million, four hundred one thousand, two hundred five".