652240529 has 2 divisors, whose sum is σ = 652240530. Its totient is φ = 652240528.

The previous prime is 652240481. The next prime is 652240541. The reversal of 652240529 is 925042256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 652036225 + 204304 = 25535^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 652240529 - 2⁸ = 652240273 is a prime.

It is not a weakly prime, because it can be changed into another prime (652240549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326120264 + 326120265.

It is an arithmetic number, because the mean of its divisors is an integer number (326120265).

Almost surely, 2^652240529 is an apocalyptic number.

It is an amenable number.

652240529 is a deficient number, since it is larger than the sum of its proper divisors (1).

652240529 is an equidigital number, since it uses as much as digits as its factorization.

652240529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 652240529 is about 25539.0001566232. Note that the first 3 decimals coincide. The cubic root of 652240529 is about 867.2332633408.

The spelling of 652240529 in words is "six hundred fifty-two million, two hundred forty thousand, five hundred twenty-nine".