7530529 has 2 divisors, whose sum is σ = 7530530. Its totient is φ = 7530528.

The previous prime is 7530503. The next prime is 7530533. The reversal of 7530529 is 9250357.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4100625 + 3429904 = 2025^2 + 1852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7530529 is a prime.

7530529 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7530529.

It is not a weakly prime, because it can be changed into another prime (7530539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765264 + 3765265.

It is an arithmetic number, because the mean of its divisors is an integer number (3765265).

Almost surely, 2^7530529 is an apocalyptic number.

It is an amenable number.

7530529 is a deficient number, since it is larger than the sum of its proper divisors (1).

7530529 is an equidigital number, since it uses as much as digits as its factorization.

7530529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 7530529 is about 2744.1809342680. The cubic root of 7530529 is about 196.0086158228.

The spelling of 7530529 in words is "seven million, five hundred thirty thousand, five hundred twenty-nine".