7522516 has 12 divisors (see below), whose sum is σ = 13485780. Its totient is φ = 3669440.

The previous prime is 7522469. The next prime is 7522519. The reversal of 7522516 is 6152257.

It can be written as a sum of positive squares in 2 ways, for example, as 2414916 + 5107600 = 1554^2 + 2260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522519) 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, 22771 + ... + 23098.

It is an arithmetic number, because the mean of its divisors is an integer number (1123815).

Almost surely, 2^7522516 is an apocalyptic number.

It is an amenable number.

7522516 is a deficient number, since it is larger than the sum of its proper divisors (5963264).

7522516 is a wasteful number, since it uses less digits than its factorization.

7522516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45914 (or 45912 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 7522516 is about 2742.7205471940. The cubic root of 7522516 is about 195.9390689402.

It can be divided in two parts, 752251 and 6, that added together give a palindrome (752257).

The spelling of 7522516 in words is "seven million, five hundred twenty-two thousand, five hundred sixteen".