631056193 has 2 divisors, whose sum is σ = 631056194. Its totient is φ = 631056192.

The previous prime is 631056149. The next prime is 631056199. The reversal of 631056193 is 391650136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515880369 + 115175824 = 22713^2 + 10732^2 .

It is a cyclic number.

It is not a de Polignac number, because 631056193 - 2¹³ = 631048001 is a prime.

It is not a weakly prime, because it can be changed into another prime (631056199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315528096 + 315528097.

It is an arithmetic number, because the mean of its divisors is an integer number (315528097).

Almost surely, 2^631056193 is an apocalyptic number.

It is an amenable number.

631056193 is a deficient number, since it is larger than the sum of its proper divisors (1).

631056193 is an equidigital number, since it uses as much as digits as its factorization.

631056193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 631056193 is about 25120.8318532647. The cubic root of 631056193 is about 857.7406863745.

The spelling of 631056193 in words is "six hundred thirty-one million, fifty-six thousand, one hundred ninety-three".