6315257 has 8 divisors (see below), whose sum is σ = 6820800. Its totient is φ = 5812560.

The previous prime is 6315251. The next prime is 6315259. The reversal of 6315257 is 7525136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6315257 - 2¹² = 6311161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6315251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7382 + ... + 8192.

It is an arithmetic number, because the mean of its divisors is an integer number (852600).

Almost surely, 2^6315257 is an apocalyptic number.

It is an amenable number.

6315257 is a deficient number, since it is larger than the sum of its proper divisors (505543).

6315257 is a wasteful number, since it uses less digits than its factorization.

6315257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423.

The product of its digits is 6300, while the sum is 29.

The square root of 6315257 is about 2513.0175088924. The cubic root of 6315257 is about 184.8404468011.

It can be divided in two parts, 63 and 15257, that multiplied together give a triangular number (961191 = T₁₃₈₆).

The spelling of 6315257 in words is "six million, three hundred fifteen thousand, two hundred fifty-seven".