52685291 has 2 divisors, whose sum is σ = 52685292. Its totient is φ = 52685290.

The previous prime is 52685279. The next prime is 52685377. The reversal of 52685291 is 19258625.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52685291 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52685201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26342645 + 26342646.

It is an arithmetic number, because the mean of its divisors is an integer number (26342646).

Almost surely, 2^52685291 is an apocalyptic number.

52685291 is a deficient number, since it is larger than the sum of its proper divisors (1).

52685291 is an equidigital number, since it uses as much as digits as its factorization.

52685291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 38.

The square root of 52685291 is about 7258.4634048812. The cubic root of 52685291 is about 374.8836166242.

The spelling of 52685291 in words is "fifty-two million, six hundred eighty-five thousand, two hundred ninety-one".