63938593 has 2 divisors, whose sum is σ = 63938594. Its totient is φ = 63938592.

The previous prime is 63938527. The next prime is 63938603. The reversal of 63938593 is 39583936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36397089 + 27541504 = 6033^2 + 5248^2 .

It is a cyclic number.

It is not a de Polignac number, because 63938593 - 2²¹ = 61841441 is a prime.

It is not a weakly prime, because it can be changed into another prime (63948593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31969296 + 31969297.

It is an arithmetic number, because the mean of its divisors is an integer number (31969297).

Almost surely, 2^63938593 is an apocalyptic number.

It is an amenable number.

63938593 is a deficient number, since it is larger than the sum of its proper divisors (1).

63938593 is an equidigital number, since it uses as much as digits as its factorization.

63938593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 46.

The square root of 63938593 is about 7996.1611414478. The cubic root of 63938593 is about 399.8720278122.

The spelling of 63938593 in words is "sixty-three million, nine hundred thirty-eight thousand, five hundred ninety-three".