52436729 has 2 divisors, whose sum is σ = 52436730. Its totient is φ = 52436728.

The previous prime is 52436723. The next prime is 52436771. The reversal of 52436729 is 92763425.

52436729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49730704 + 2706025 = 7052^2 + 1645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52436729 is a prime.

It is a super-2 number, since 2×52436729² = 5499221096438882, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52436692 and 52436701.

It is not a weakly prime, because it can be changed into another prime (52436723) 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, 26218364 + 26218365.

It is an arithmetic number, because the mean of its divisors is an integer number (26218365).

Almost surely, 2^52436729 is an apocalyptic number.

It is an amenable number.

52436729 is a deficient number, since it is larger than the sum of its proper divisors (1).

52436729 is an equidigital number, since it uses as much as digits as its factorization.

52436729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 52436729 is about 7241.3209430324. The cubic root of 52436729 is about 374.2931371644.

The spelling of 52436729 in words is "fifty-two million, four hundred thirty-six thousand, seven hundred twenty-nine".