52375681 has 2 divisors, whose sum is σ = 52375682. Its totient is φ = 52375680.

The previous prime is 52375679. The next prime is 52375693. The reversal of 52375681 is 18657325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35892081 + 16483600 = 5991^2 + 4060^2 .

It is a cyclic number.

It is not a de Polignac number, because 52375681 - 2¹ = 52375679 is a prime.

It is a super-2 number, since 2×52375681² = 5486423920427522, which contains 22 as substring.

Together with 52375679, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52375681.

It is not a weakly prime, because it can be changed into another prime (52375601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26187840 + 26187841.

It is an arithmetic number, because the mean of its divisors is an integer number (26187841).

Almost surely, 2^52375681 is an apocalyptic number.

It is an amenable number.

52375681 is a deficient number, since it is larger than the sum of its proper divisors (1).

52375681 is an equidigital number, since it uses as much as digits as its factorization.

52375681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 37.

The square root of 52375681 is about 7237.1044624214. The cubic root of 52375681 is about 374.1478273085.

The spelling of 52375681 in words is "fifty-two million, three hundred seventy-five thousand, six hundred eighty-one".