7045313 has 4 divisors (see below), whose sum is σ = 7685808. Its totient is φ = 6404820.

The previous prime is 7045309. The next prime is 7045331. The reversal of 7045313 is 3135407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7045313 - 2² = 7045309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7045373) 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, 320231 + ... + 320252.

It is an arithmetic number, because the mean of its divisors is an integer number (1921452).

Almost surely, 2^7045313 is an apocalyptic number.

It is an amenable number.

7045313 is a deficient number, since it is larger than the sum of its proper divisors (640495).

7045313 is a wasteful number, since it uses less digits than its factorization.

7045313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640494.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 7045313 is about 2654.3008495647. The cubic root of 7045313 is about 191.7049958212.

The spelling of 7045313 in words is "seven million, forty-five thousand, three hundred thirteen".