7529 has 2 divisors, whose sum is σ = 7530.
Its totient is φ = 7528.
The previous prime is 7523. The next prime is 7537. The reversal of 7529 is 9257.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 5929 + 1600 = 77^2 + 40^2
It is an emirp because it is prime and its reverse (9257) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 7529 - 212 = 3433 is a prime.
It is a Chen prime.
It is a plaindrome in base 15.
It is not a weakly prime, because it can be changed into another prime (7523) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3764 + 3765.
It is an arithmetic number, because the mean of its divisors is an integer number (3765).
27529 is an apocalyptic number.
It is an amenable number.
7529 is a deficient number, since it is larger than the sum of its proper divisors (1).
7529 is an equidigital number, since it uses as much as digits as its factorization.
7529 is an evil number, because the sum of its binary digits is even.
The product of its digits is 630, while the sum is 23.
The square root of 7529 is about 86.7698104181.
The cubic root of 7529 is about 19.5995349050.
The spelling of 7529 in words is "seven thousand, five hundred twenty-nine".