7563313 has 4 divisors (see below), whose sum is σ = 7739248. Its totient is φ = 7387380.

The previous prime is 7563301. The next prime is 7563319. The reversal of 7563313 is 3133657.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3133657 = 67 ⋅46771.

It is a cyclic number.

It is not a de Polignac number, because 7563313 - 2⁹ = 7562801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7563319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87903 + ... + 87988.

It is an arithmetic number, because the mean of its divisors is an integer number (1934812).

Almost surely, 2^7563313 is an apocalyptic number.

It is an amenable number.

7563313 is a deficient number, since it is larger than the sum of its proper divisors (175935).

7563313 is a wasteful number, since it uses less digits than its factorization.

7563313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175934.

The product of its digits is 5670, while the sum is 28.

The square root of 7563313 is about 2750.1478142093. The cubic root of 7563313 is about 196.2926438495.

The spelling of 7563313 in words is "seven million, five hundred sixty-three thousand, three hundred thirteen".