52078517 has 2 divisors, whose sum is σ = 52078518. Its totient is φ = 52078516.

The previous prime is 52078513. The next prime is 52078549. The reversal of 52078517 is 71587025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49688401 + 2390116 = 7049^2 + 1546^2 .

It is a cyclic number.

It is not a de Polignac number, because 52078517 - 2² = 52078513 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 (52078513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26039258 + 26039259.

It is an arithmetic number, because the mean of its divisors is an integer number (26039259).

Almost surely, 2^52078517 is an apocalyptic number.

It is an amenable number.

52078517 is a deficient number, since it is larger than the sum of its proper divisors (1).

52078517 is an equidigital number, since it uses as much as digits as its factorization.

52078517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 52078517 is about 7216.5446717941. The cubic root of 52078517 is about 373.4388837574.

The spelling of 52078517 in words is "fifty-two million, seventy-eight thousand, five hundred seventeen".