52352981 has 2 divisors, whose sum is σ = 52352982. Its totient is φ = 52352980.

The previous prime is 52352957. The next prime is 52353011. The reversal of 52352981 is 18925325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51480625 + 872356 = 7175^2 + 934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52352981 is a prime.

It is a super-2 number, since 2×52352981² = 5481669239172722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52352921) 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, 26176490 + 26176491.

It is an arithmetic number, because the mean of its divisors is an integer number (26176491).

Almost surely, 2^52352981 is an apocalyptic number.

It is an amenable number.

52352981 is a deficient number, since it is larger than the sum of its proper divisors (1).

52352981 is an equidigital number, since it uses as much as digits as its factorization.

52352981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 52352981 is about 7235.5359856751. The cubic root of 52352981 is about 374.0937667037.

The spelling of 52352981 in words is "fifty-two million, three hundred fifty-two thousand, nine hundred eighty-one".