63311293 has 2 divisors, whose sum is σ = 63311294. Its totient is φ = 63311292.

The previous prime is 63311279. The next prime is 63311299. The reversal of 63311293 is 39211336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55621764 + 7689529 = 7458^2 + 2773^2 .

It is a cyclic number.

It is not a de Polignac number, because 63311293 - 2¹³ = 63303101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63311299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31655646 + 31655647.

It is an arithmetic number, because the mean of its divisors is an integer number (31655647).

Almost surely, 2^63311293 is an apocalyptic number.

It is an amenable number.

63311293 is a deficient number, since it is larger than the sum of its proper divisors (1).

63311293 is an equidigital number, since it uses as much as digits as its factorization.

63311293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 28.

The square root of 63311293 is about 7956.8393850825. The cubic root of 63311293 is about 398.5600160864.

The spelling of 63311293 in words is "sixty-three million, three hundred eleven thousand, two hundred ninety-three".