52805251 has 2 divisors, whose sum is σ = 52805252. Its totient is φ = 52805250.

The previous prime is 52805243. The next prime is 52805261. The reversal of 52805251 is 15250825.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52805251 - 2³ = 52805243 is a prime.

It is not a weakly prime, because it can be changed into another prime (52805261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26402625 + 26402626.

It is an arithmetic number, because the mean of its divisors is an integer number (26402626).

Almost surely, 2^52805251 is an apocalyptic number.

52805251 is a deficient number, since it is larger than the sum of its proper divisors (1).

52805251 is an equidigital number, since it uses as much as digits as its factorization.

52805251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 52805251 is about 7266.7221633966. The cubic root of 52805251 is about 375.1679271604.

The spelling of 52805251 in words is "fifty-two million, eight hundred five thousand, two hundred fifty-one".