7540529 has 2 divisors, whose sum is σ = 7540530. Its totient is φ = 7540528.

The previous prime is 7540517. The next prime is 7540541. The reversal of 7540529 is 9250457.

It is a balanced prime because it is at equal distance from previous prime (7540517) and next prime (7540541).

It can be written as a sum of positive squares in only one way, i.e., 7398400 + 142129 = 2720^2 + 377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7540529 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7540495 and 7540504.

It is not a weakly prime, because it can be changed into another prime (7545529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3770264 + 3770265.

It is an arithmetic number, because the mean of its divisors is an integer number (3770265).

Almost surely, 2^7540529 is an apocalyptic number.

It is an amenable number.

7540529 is a deficient number, since it is larger than the sum of its proper divisors (1).

7540529 is an equidigital number, since it uses as much as digits as its factorization.

7540529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 7540529 is about 2746.0023670784. The cubic root of 7540529 is about 196.0953392204.

It can be divided in two parts, 75 and 40529, that added together give a palindrome (40604).

The spelling of 7540529 in words is "seven million, five hundred forty thousand, five hundred twenty-nine".