6513438 has 16 divisors (see below), whose sum is σ = 13053456. Its totient is φ = 2166720.

The previous prime is 6513427. The next prime is 6513457. The reversal of 6513438 is 8343156.

6513438 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3658 + ... + 5138.

It is an arithmetic number, because the mean of its divisors is an integer number (815841).

Almost surely, 2^6513438 is an apocalyptic number.

6513438 is an abundant number, since it is smaller than the sum of its proper divisors (6540018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6513438 is a wasteful number, since it uses less digits than its factorization.

6513438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219.

The product of its digits is 8640, while the sum is 30.

The square root of 6513438 is about 2552.1438047257. The cubic root of 6513438 is about 186.7540782502.

The spelling of 6513438 in words is "six million, five hundred thirteen thousand, four hundred thirty-eight".