52257617 has 2 divisors, whose sum is σ = 52257618. Its totient is φ = 52257616.

The previous prime is 52257593. The next prime is 52257649. The reversal of 52257617 is 71675225.

It is a happy number.

52257617 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 can be written as a sum of positive squares in only one way, i.e., 41075281 + 11182336 = 6409^2 + 3344^2 .

It is a cyclic number.

It is not a de Polignac number, because 52257617 - 2⁶ = 52257553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52257697) 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, 26128808 + 26128809.

It is an arithmetic number, because the mean of its divisors is an integer number (26128809).

Almost surely, 2^52257617 is an apocalyptic number.

It is an amenable number.

52257617 is a deficient number, since it is larger than the sum of its proper divisors (1).

52257617 is an equidigital number, since it uses as much as digits as its factorization.

52257617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 35.

The square root of 52257617 is about 7228.9430071069. The cubic root of 52257617 is about 373.8664841266.

The spelling of 52257617 in words is "fifty-two million, two hundred fifty-seven thousand, six hundred seventeen".