52395181 has 2 divisors, whose sum is σ = 52395182. Its totient is φ = 52395180.

The previous prime is 52395169. The next prime is 52395191. The reversal of 52395181 is 18159325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32592681 + 19802500 = 5709^2 + 4450^2 .

It is a cyclic number.

It is not a de Polignac number, because 52395181 - 2⁵ = 52395149 is a prime.

It is a super-2 number, since 2×52395181² = 5490509984045522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52395121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26197590 + 26197591.

It is an arithmetic number, because the mean of its divisors is an integer number (26197591).

Almost surely, 2^52395181 is an apocalyptic number.

It is an amenable number.

52395181 is a deficient number, since it is larger than the sum of its proper divisors (1).

52395181 is an equidigital number, since it uses as much as digits as its factorization.

52395181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 34.

The square root of 52395181 is about 7238.4515609348. The cubic root of 52395181 is about 374.1942545640.

The spelling of 52395181 in words is "fifty-two million, three hundred ninety-five thousand, one hundred eighty-one".