6313257 has 6 divisors (see below), whose sum is σ = 9119162. Its totient is φ = 4208832.

The previous prime is 6313253. The next prime is 6313267. The reversal of 6313257 is 7523136.

It is a happy number.

6313257 is a `hidden beast` number, since 631 + 3 + 25 + 7 = 666.

6313257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4822416 + 1490841 = 2196^2 + 1221^2 .

It is not a de Polignac number, because 6313257 - 2² = 6313253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6313257.

It is not an unprimeable number, because it can be changed into a prime (6313253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 350728 + ... + 350745.

Almost surely, 2^6313257 is an apocalyptic number.

It is an amenable number.

6313257 is a deficient number, since it is larger than the sum of its proper divisors (2805905).

6313257 is a wasteful number, since it uses less digits than its factorization.

6313257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701479 (or 701476 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 6313257 is about 2512.6195493946. The cubic root of 6313257 is about 184.8209321598.

The spelling of 6313257 in words is "six million, three hundred thirteen thousand, two hundred fifty-seven".