7522318317 has 4 divisors (see below), whose sum is σ = 10029757760. Its totient is φ = 5014878876.

The previous prime is 7522318283. The next prime is 7522318319. The reversal of 7522318317 is 7138132257.

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 not a de Polignac number, because 7522318317 - 2¹⁵ = 7522285549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522318319) 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, 1253719717 + ... + 1253719722.

It is an arithmetic number, because the mean of its divisors is an integer number (2507439440).

Almost surely, 2^7522318317 is an apocalyptic number.

It is an amenable number.

7522318317 is a deficient number, since it is larger than the sum of its proper divisors (2507439443).

7522318317 is a wasteful number, since it uses less digits than its factorization.

7522318317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507439442.

The product of its digits is 70560, while the sum is 39.

The square root of 7522318317 is about 86731.2995232978. The cubic root of 7522318317 is about 1959.3735257464.

The spelling of 7522318317 in words is "seven billion, five hundred twenty-two million, three hundred eighteen thousand, three hundred seventeen".