52078717 has 2 divisors, whose sum is σ = 52078718. Its totient is φ = 52078716.

The previous prime is 52078687. The next prime is 52078727. The reversal of 52078717 is 71787025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39765636 + 12313081 = 6306^2 + 3509^2 .

It is a cyclic number.

It is not a de Polignac number, because 52078717 - 2⁷ = 52078589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52078727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26039358 + 26039359.

It is an arithmetic number, because the mean of its divisors is an integer number (26039359).

Almost surely, 2^52078717 is an apocalyptic number.

It is an amenable number.

52078717 is a deficient number, since it is larger than the sum of its proper divisors (1).

52078717 is an equidigital number, since it uses as much as digits as its factorization.

52078717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 52078717 is about 7216.5585288280. The cubic root of 52078717 is about 373.4393618028.

It can be divided in two parts, 5207 and 8717, that added together give a square (13924 = 118²).

The spelling of 52078717 in words is "fifty-two million, seventy-eight thousand, seven hundred seventeen".