6517955 has 4 divisors (see below), whose sum is σ = 7821552. Its totient is φ = 5214360.

The previous prime is 6517937. The next prime is 6517963. The reversal of 6517955 is 5597156.

6517955 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6517955 - 2⁶ = 6517891 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651791 + ... + 651800.

It is an arithmetic number, because the mean of its divisors is an integer number (1955388).

Almost surely, 2^6517955 is an apocalyptic number.

6517955 is a deficient number, since it is larger than the sum of its proper divisors (1303597).

6517955 is a wasteful number, since it uses less digits than its factorization.

6517955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303596.

The product of its digits is 47250, while the sum is 38.

The square root of 6517955 is about 2553.0285936511. The cubic root of 6517955 is about 186.7972389304.

The spelling of 6517955 in words is "six million, five hundred seventeen thousand, nine hundred fifty-five".