52270997 has 2 divisors, whose sum is σ = 52270998. Its totient is φ = 52270996.

The previous prime is 52270979. The next prime is 52271017. The reversal of 52270997 is 79907225.

It is a happy number.

Together with previous prime (52270979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41075281 + 11195716 = 6409^2 + 3346^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52270997 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52275997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26135498 + 26135499.

It is an arithmetic number, because the mean of its divisors is an integer number (26135499).

Almost surely, 2^52270997 is an apocalyptic number.

It is an amenable number.

52270997 is a deficient number, since it is larger than the sum of its proper divisors (1).

52270997 is an equidigital number, since it uses as much as digits as its factorization.

52270997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 52270997 is about 7229.8683943762. The cubic root of 52270997 is about 373.8983895659.

The spelling of 52270997 in words is "fifty-two million, two hundred seventy thousand, nine hundred ninety-seven".