52865081 has 2 divisors, whose sum is σ = 52865082. Its totient is φ = 52865080.

The previous prime is 52865047. The next prime is 52865089. The reversal of 52865081 is 18056825.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39175081 + 13690000 = 6259^2 + 3700^2 .

It is a cyclic number.

It is not a de Polignac number, because 52865081 - 2²² = 48670777 is a prime.

It is a super-2 number, since 2×52865081² = 5589433578273122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52865089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26432540 + 26432541.

It is an arithmetic number, because the mean of its divisors is an integer number (26432541).

Almost surely, 2^52865081 is an apocalyptic number.

It is an amenable number.

52865081 is a deficient number, since it is larger than the sum of its proper divisors (1).

52865081 is an equidigital number, since it uses as much as digits as its factorization.

52865081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 52865081 is about 7270.8377096453. The cubic root of 52865081 is about 375.3095660097.

The spelling of 52865081 in words is "fifty-two million, eight hundred sixty-five thousand, eighty-one".