52250909 has 2 divisors, whose sum is σ = 52250910. Its totient is φ = 52250908.

The previous prime is 52250881. The next prime is 52250941. The reversal of 52250909 is 90905225.

52250909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (52250941) can be obtained adding 52250909 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33674809 + 18576100 = 5803^2 + 4310^2 .

It is a cyclic number.

It is not a de Polignac number, because 52250909 - 2¹² = 52246813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52250309) 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, 26125454 + 26125455.

It is an arithmetic number, because the mean of its divisors is an integer number (26125455).

Almost surely, 2^52250909 is an apocalyptic number.

It is an amenable number.

52250909 is a deficient number, since it is larger than the sum of its proper divisors (1).

52250909 is an equidigital number, since it uses as much as digits as its factorization.

52250909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 52250909 is about 7228.4790239718. The cubic root of 52250909 is about 373.8504864352.

The spelling of 52250909 in words is "fifty-two million, two hundred fifty thousand, nine hundred nine".