7312522 has 8 divisors (see below), whose sum is σ = 12535776. Its totient is φ = 3133932.

The previous prime is 7312517. The next prime is 7312531. The reversal of 7312522 is 2252137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7312493 and 7312502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261148 + ... + 261175.

It is an arithmetic number, because the mean of its divisors is an integer number (1566972).

Almost surely, 2^7312522 is an apocalyptic number.

7312522 is a deficient number, since it is larger than the sum of its proper divisors (5223254).

7312522 is a wasteful number, since it uses less digits than its factorization.

7312522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522332.

The product of its digits is 840, while the sum is 22.

The square root of 7312522 is about 2704.1675243964. The cubic root of 7312522 is about 194.0985965676.

Adding to 7312522 its reverse (2252137), we get a palindrome (9564659).

The spelling of 7312522 in words is "seven million, three hundred twelve thousand, five hundred twenty-two".