52380389 has 2 divisors, whose sum is σ = 52380390. Its totient is φ = 52380388.

The previous prime is 52380379. The next prime is 52380403. The reversal of 52380389 is 98308325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35224225 + 17156164 = 5935^2 + 4142^2 .

It is a cyclic number.

It is not a de Polignac number, because 52380389 - 2⁴ = 52380373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52380319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26190194 + 26190195.

It is an arithmetic number, because the mean of its divisors is an integer number (26190195).

Almost surely, 2^52380389 is an apocalyptic number.

It is an amenable number.

52380389 is a deficient number, since it is larger than the sum of its proper divisors (1).

52380389 is an equidigital number, since it uses as much as digits as its factorization.

52380389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 52380389 is about 7237.4297233203. The cubic root of 52380389 is about 374.1590375697.

The spelling of 52380389 in words is "fifty-two million, three hundred eighty thousand, three hundred eighty-nine".