52581863 has 2 divisors, whose sum is σ = 52581864. Its totient is φ = 52581862.

The previous prime is 52581829. The next prime is 52581869. The reversal of 52581863 is 36818525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52581863 - 2¹⁰ = 52580839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52581869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26290931 + 26290932.

It is an arithmetic number, because the mean of its divisors is an integer number (26290932).

Almost surely, 2^52581863 is an apocalyptic number.

52581863 is a deficient number, since it is larger than the sum of its proper divisors (1).

52581863 is an equidigital number, since it uses as much as digits as its factorization.

52581863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 38.

The square root of 52581863 is about 7251.3352563511. The cubic root of 52581863 is about 374.6381410079.

The spelling of 52581863 in words is "fifty-two million, five hundred eighty-one thousand, eight hundred sixty-three".