53252681 has 2 divisors, whose sum is σ = 53252682. Its totient is φ = 53252680.

The previous prime is 53252669. The next prime is 53252701. The reversal of 53252681 is 18625235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51337225 + 1915456 = 7165^2 + 1384^2 .

It is a cyclic number.

It is not a de Polignac number, because 53252681 - 2¹⁰ = 53251657 is a prime.

It is a super-2 number, since 2×53252681² = 5671696067375522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53254681) 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, 26626340 + 26626341.

It is an arithmetic number, because the mean of its divisors is an integer number (26626341).

Almost surely, 2^53252681 is an apocalyptic number.

It is an amenable number.

53252681 is a deficient number, since it is larger than the sum of its proper divisors (1).

53252681 is an equidigital number, since it uses as much as digits as its factorization.

53252681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 32.

The square root of 53252681 is about 7297.4434564442. The cubic root of 53252681 is about 376.2245739487.

The spelling of 53252681 in words is "fifty-three million, two hundred fifty-two thousand, six hundred eighty-one".