7312522369 has 4 divisors (see below), whose sum is σ = 7313116096. Its totient is φ = 7311928644.

The previous prime is 7312522339. The next prime is 7312522379. The reversal of 7312522369 is 9632252137.

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 7312522369 - 2⁹ = 7312521857 is a prime.

It is a super-2 number, since 2×7312522369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7312522339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277989 + ... + 303154.

It is an arithmetic number, because the mean of its divisors is an integer number (1828279024).

Almost surely, 2^7312522369 is an apocalyptic number.

It is an amenable number.

7312522369 is a deficient number, since it is larger than the sum of its proper divisors (593727).

7312522369 is a wasteful number, since it uses less digits than its factorization.

7312522369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593726.

The product of its digits is 136080, while the sum is 40.

The square root of 7312522369 is about 85513.2876750742. The cubic root of 7312522369 is about 1940.9859983243.

The spelling of 7312522369 in words is "seven billion, three hundred twelve million, five hundred twenty-two thousand, three hundred sixty-nine".