52381001 has 2 divisors, whose sum is σ = 52381002. Its totient is φ = 52381000.

The previous prime is 52380997. The next prime is 52381003. The reversal of 52381001 is 10018325.

52381001 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., 44568976 + 7812025 = 6676^2 + 2795^2 .

It is a cyclic number.

It is not a de Polignac number, because 52381001 - 2² = 52380997 is a prime.

It is a Sophie Germain prime.

Together with 52381003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (52381003) 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, 26190500 + 26190501.

It is an arithmetic number, because the mean of its divisors is an integer number (26190501).

Almost surely, 2^52381001 is an apocalyptic number.

It is an amenable number.

52381001 is a deficient number, since it is larger than the sum of its proper divisors (1).

52381001 is an equidigital number, since it uses as much as digits as its factorization.

52381001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 52381001 is about 7237.4720034001. The cubic root of 52381001 is about 374.1604947591.

Adding to 52381001 its reverse (10018325), we get a palindrome (62399326).

The spelling of 52381001 in words is "fifty-two million, three hundred eighty-one thousand, one".