52702681 has 2 divisors, whose sum is σ = 52702682. Its totient is φ = 52702680.

The previous prime is 52702633. The next prime is 52702687. The reversal of 52702681 is 18620725.

52702681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52070656 + 632025 = 7216^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 52702681 - 2⁷ = 52702553 is a prime.

It is a super-2 number, since 2×52702681² = 5555145169175522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52702687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26351340 + 26351341.

It is an arithmetic number, because the mean of its divisors is an integer number (26351341).

Almost surely, 2^52702681 is an apocalyptic number.

It is an amenable number.

52702681 is a deficient number, since it is larger than the sum of its proper divisors (1).

52702681 is an equidigital number, since it uses as much as digits as its factorization.

52702681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 52702681 is about 7259.6612179908. The cubic root of 52702681 is about 374.9248584258.

The spelling of 52702681 in words is "fifty-two million, seven hundred two thousand, six hundred eighty-one".