7250522 has 16 divisors (see below), whose sum is σ = 11529000. Its totient is φ = 3413760.

The previous prime is 7250519. The next prime is 7250527. The reversal of 7250522 is 2250527.

It can be written as a sum of positive squares in 4 ways, for example, as 2886601 + 4363921 = 1699^2 + 2089^2 .

It is not an unprimeable number, because it can be changed into a prime (7250527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854 + ... + 3902.

Almost surely, 2^7250522 is an apocalyptic number.

7250522 is a deficient number, since it is larger than the sum of its proper divisors (4278478).

7250522 is a wasteful number, since it uses less digits than its factorization.

7250522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 7250522 is about 2692.6793347890. The cubic root of 7250522 is about 193.5484769719.

It can be divided in two parts, 72505 and 22, that added together give a palindrome (72527).

The spelling of 7250522 in words is "seven million, two hundred fifty thousand, five hundred twenty-two".