52758247 has 2 divisors, whose sum is σ = 52758248. Its totient is φ = 52758246.

The previous prime is 52758241. The next prime is 52758271. The reversal of 52758247 is 74285725.

It is a happy number.

52758247 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 52758247 - 2¹⁵ = 52725479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52758241) 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, 26379123 + 26379124.

It is an arithmetic number, because the mean of its divisors is an integer number (26379124).

Almost surely, 2^52758247 is an apocalyptic number.

52758247 is a deficient number, since it is larger than the sum of its proper divisors (1).

52758247 is an equidigital number, since it uses as much as digits as its factorization.

52758247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 40.

The square root of 52758247 is about 7263.4872478721. The cubic root of 52758247 is about 375.0565769452.

The spelling of 52758247 in words is "fifty-two million, seven hundred fifty-eight thousand, two hundred forty-seven".