6551913 has 16 divisors (see below), whose sum is σ = 9020160. Its totient is φ = 4228224.

The previous prime is 6551899. The next prime is 6551917. The reversal of 6551913 is 3191556.

It is not a de Polignac number, because 6551913 - 2¹² = 6547817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6551917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13920 + ... + 14382.

It is an arithmetic number, because the mean of its divisors is an integer number (563760).

Almost surely, 2^6551913 is an apocalyptic number.

It is an amenable number.

6551913 is a deficient number, since it is larger than the sum of its proper divisors (2468247).

6551913 is a wasteful number, since it uses less digits than its factorization.

6551913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608.

The product of its digits is 4050, while the sum is 30.

The square root of 6551913 is about 2559.6704866056. The cubic root of 6551913 is about 187.1210765176.

The spelling of 6551913 in words is "six million, five hundred fifty-one thousand, nine hundred thirteen".