52805149 has 2 divisors, whose sum is σ = 52805150. Its totient is φ = 52805148.

The previous prime is 52805147. The next prime is 52805167. The reversal of 52805149 is 94150825.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44796249 + 8008900 = 6693^2 + 2830^2 .

It is a cyclic number.

It is not a de Polignac number, because 52805149 - 2¹ = 52805147 is a prime.

Together with 52805147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52805141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26402574 + 26402575.

It is an arithmetic number, because the mean of its divisors is an integer number (26402575).

Almost surely, 2^52805149 is an apocalyptic number.

It is an amenable number.

52805149 is a deficient number, since it is larger than the sum of its proper divisors (1).

52805149 is an equidigital number, since it uses as much as digits as its factorization.

52805149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 52805149 is about 7266.7151450982. The cubic root of 52805149 is about 375.1676855989.

The spelling of 52805149 in words is "fifty-two million, eight hundred five thousand, one hundred forty-nine".