52307251 has 2 divisors, whose sum is σ = 52307252. Its totient is φ = 52307250.

The previous prime is 52307231. The next prime is 52307273. The reversal of 52307251 is 15270325.

52307251 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 is a cyclic number.

It is not a de Polignac number, because 52307251 - 2¹³ = 52299059 is a prime.

It is not a weakly prime, because it can be changed into another prime (52307231) 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, 26153625 + 26153626.

It is an arithmetic number, because the mean of its divisors is an integer number (26153626).

Almost surely, 2^52307251 is an apocalyptic number.

52307251 is a deficient number, since it is larger than the sum of its proper divisors (1).

52307251 is an equidigital number, since it uses as much as digits as its factorization.

52307251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 52307251 is about 7232.3751976788. The cubic root of 52307251 is about 373.9848121221.

Adding to 52307251 its reverse (15270325), we get a palindrome (67577576).

The spelling of 52307251 in words is "fifty-two million, three hundred seven thousand, two hundred fifty-one".