52188361 has 2 divisors, whose sum is σ = 52188362. Its totient is φ = 52188360.

The previous prime is 52188359. The next prime is 52188379. The reversal of 52188361 is 16388125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29909961 + 22278400 = 5469^2 + 4720^2 .

It is a cyclic number.

It is not a de Polignac number, because 52188361 - 2¹ = 52188359 is a prime.

Together with 52188359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52188341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26094180 + 26094181.

It is an arithmetic number, because the mean of its divisors is an integer number (26094181).

Almost surely, 2^52188361 is an apocalyptic number.

It is an amenable number.

52188361 is a deficient number, since it is larger than the sum of its proper divisors (1).

52188361 is an equidigital number, since it uses as much as digits as its factorization.

52188361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

The square root of 52188361 is about 7224.1512304215. The cubic root of 52188361 is about 373.7012517935.

The spelling of 52188361 in words is "fifty-two million, one hundred eighty-eight thousand, three hundred sixty-one".