52170649 has 2 divisors, whose sum is σ = 52170650. Its totient is φ = 52170648.

The previous prime is 52170607. The next prime is 52170673. The reversal of 52170649 is 94607125.

52170649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31304025 + 20866624 = 5595^2 + 4568^2 .

It is a cyclic number.

It is not a de Polignac number, because 52170649 - 2¹¹ = 52168601 is a prime.

It is not a weakly prime, because it can be changed into another prime (52170149) 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, 26085324 + 26085325.

It is an arithmetic number, because the mean of its divisors is an integer number (26085325).

Almost surely, 2^52170649 is an apocalyptic number.

It is an amenable number.

52170649 is a deficient number, since it is larger than the sum of its proper divisors (1).

52170649 is an equidigital number, since it uses as much as digits as its factorization.

52170649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 52170649 is about 7222.9252384335. The cubic root of 52170649 is about 373.6589706834.

The spelling of 52170649 in words is "fifty-two million, one hundred seventy thousand, six hundred forty-nine".