6351140 has 12 divisors (see below), whose sum is σ = 13337436. Its totient is φ = 2540448.

The previous prime is 6351139. The next prime is 6351181. The reversal of 6351140 is 411536.

It can be written as a sum of positive squares in 2 ways, for example, as 2540836 + 3810304 = 1594^2 + 1952^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 317557 = 6351140 / (6 + 3 + 5 + 1 + 1 + 4 + 0).

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, 158759 + ... + 158798.

It is an arithmetic number, because the mean of its divisors is an integer number (1111453).

Almost surely, 2^6351140 is an apocalyptic number.

It is an amenable number.

6351140 is an abundant number, since it is smaller than the sum of its proper divisors (6986296).

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

6351140 is a wasteful number, since it uses less digits than its factorization.

6351140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317566 (or 317564 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 6351140 is about 2520.1468211198. The cubic root of 6351140 is about 185.1898708049.

Adding to 6351140 its reverse (411536), we get a palindrome (6762676).

The spelling of 6351140 in words is "six million, three hundred fifty-one thousand, one hundred forty".