6313145 has 4 divisors (see below), whose sum is σ = 7575780. Its totient is φ = 5050512.

The previous prime is 6313141. The next prime is 6313147. The reversal of 6313145 is 5413136.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3636649 + 2676496 = 1907^2 + 1636^2 .

It is a cyclic number.

It is not a de Polignac number, because 6313145 - 2² = 6313141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6313145.

It is not an unprimeable number, because it can be changed into a prime (6313141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631310 + ... + 631319.

It is an arithmetic number, because the mean of its divisors is an integer number (1893945).

Almost surely, 2^6313145 is an apocalyptic number.

It is an amenable number.

6313145 is a deficient number, since it is larger than the sum of its proper divisors (1262635).

6313145 is a wasteful number, since it uses less digits than its factorization.

6313145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262634.

The product of its digits is 1080, while the sum is 23.

The square root of 6313145 is about 2512.5972617990. The cubic root of 6313145 is about 184.8198392180.

Subtracting from 6313145 its reverse (5413136), we obtain a palindrome (900009).

The spelling of 6313145 in words is "six million, three hundred thirteen thousand, one hundred forty-five".