52372729 has 2 divisors, whose sum is σ = 52372730. Its totient is φ = 52372728.

The previous prime is 52372717. The next prime is 52372739. The reversal of 52372729 is 92727325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40297104 + 12075625 = 6348^2 + 3475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52372729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52372739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26186364 + 26186365.

It is an arithmetic number, because the mean of its divisors is an integer number (26186365).

Almost surely, 2^52372729 is an apocalyptic number.

It is an amenable number.

52372729 is a deficient number, since it is larger than the sum of its proper divisors (1).

52372729 is an equidigital number, since it uses as much as digits as its factorization.

52372729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The square root of 52372729 is about 7236.9005105777. The cubic root of 52372729 is about 374.1407979320.

The spelling of 52372729 in words is "fifty-two million, three hundred seventy-two thousand, seven hundred twenty-nine".