6513955 has 8 divisors (see below), whose sum is σ = 8933472. Its totient is φ = 4466688.

The previous prime is 6513953. The next prime is 6513973. The reversal of 6513955 is 5593156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6513955 - 2¹ = 6513953 is a prime.

It is a Duffinian number.

6513955 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6513955.

It is not an unprimeable number, because it can be changed into a prime (6513953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93022 + ... + 93091.

It is an arithmetic number, because the mean of its divisors is an integer number (1116684).

Almost surely, 2^6513955 is an apocalyptic number.

6513955 is a deficient number, since it is larger than the sum of its proper divisors (2419517).

6513955 is a wasteful number, since it uses less digits than its factorization.

6513955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186125.

The product of its digits is 20250, while the sum is 34.

The square root of 6513955 is about 2552.2450901118. The cubic root of 6513955 is about 186.7590192815.

The spelling of 6513955 in words is "six million, five hundred thirteen thousand, nine hundred fifty-five".