6405000217 has 32 divisors (see below), whose sum is σ = 8124560640. Its totient is φ = 4904478720.

The previous prime is 6405000211. The next prime is 6405000221. The reversal of 6405000217 is 7120005046.

It is not a de Polignac number, because 6405000217 - 2³ = 6405000209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6405000191 and 6405000200.

It is not an unprimeable number, because it can be changed into a prime (6405000211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1645009 + ... + 1648897.

It is an arithmetic number, because the mean of its divisors is an integer number (253892520).

Almost surely, 2^6405000217 is an apocalyptic number.

It is an amenable number.

6405000217 is a deficient number, since it is larger than the sum of its proper divisors (1719560423).

6405000217 is a wasteful number, since it uses less digits than its factorization.

6405000217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 6405000217 is about 80031.2452545879. The cubic root of 6405000217 is about 1857.1189273983.

The spelling of 6405000217 in words is "six billion, four hundred five million, two hundred seventeen", and thus it is an aban number.