52820293 has 2 divisors, whose sum is σ = 52820294. Its totient is φ = 52820292.

The previous prime is 52820291. The next prime is 52820329. The reversal of 52820293 is 39202825.

Together with next prime (52820329) 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., 52388644 + 431649 = 7238^2 + 657^2 .

It is a cyclic number.

It is not a de Polignac number, because 52820293 - 2¹ = 52820291 is a prime.

Together with 52820291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52820291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26410146 + 26410147.

It is an arithmetic number, because the mean of its divisors is an integer number (26410147).

Almost surely, 2^52820293 is an apocalyptic number.

It is an amenable number.

52820293 is a deficient number, since it is larger than the sum of its proper divisors (1).

52820293 is an equidigital number, since it uses as much as digits as its factorization.

52820293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 52820293 is about 7267.7570817963. The cubic root of 52820293 is about 375.2035469778.

The spelling of 52820293 in words is "fifty-two million, eight hundred twenty thousand, two hundred ninety-three".