6340551 has 12 divisors (see below), whose sum is σ = 9834552. Its totient is φ = 3623088.

The previous prime is 6340519. The next prime is 6340567. The reversal of 6340551 is 1550436.

6340551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6340551 - 2⁵ = 6340519 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

6340551 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6340501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21420 + ... + 21713.

It is an arithmetic number, because the mean of its divisors is an integer number (819546).

Almost surely, 2^6340551 is an apocalyptic number.

6340551 is a deficient number, since it is larger than the sum of its proper divisors (3494001).

6340551 is a wasteful number, since it uses less digits than its factorization.

6340551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43150 (or 43143 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 6340551 is about 2518.0450750533. The cubic root of 6340551 is about 185.0868936821.

Adding to 6340551 its reverse (1550436), we get a palindrome (7890987).

The spelling of 6340551 in words is "six million, three hundred forty thousand, five hundred fifty-one".