52732709 has 2 divisors, whose sum is σ = 52732710. Its totient is φ = 52732708.

The previous prime is 52732679. The next prime is 52732717. The reversal of 52732709 is 90723725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50452609 + 2280100 = 7103^2 + 1510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52732709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52732769) 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 as a sum of consecutive naturals, namely, 26366354 + 26366355.

It is an arithmetic number, because the mean of its divisors is an integer number (26366355).

Almost surely, 2^52732709 is an apocalyptic number.

It is an amenable number.

52732709 is a deficient number, since it is larger than the sum of its proper divisors (1).

52732709 is an equidigital number, since it uses as much as digits as its factorization.

52732709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 52732709 is about 7261.7290640728. The cubic root of 52732709 is about 374.9960509214.

The spelling of 52732709 in words is "fifty-two million, seven hundred thirty-two thousand, seven hundred nine".