63195017 has 2 divisors, whose sum is σ = 63195018. Its totient is φ = 63195016.

The previous prime is 63194977. The next prime is 63195091. The reversal of 63195017 is 71059136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61528336 + 1666681 = 7844^2 + 1291^2 .

It is a cyclic number.

It is not a de Polignac number, because 63195017 - 2⁶ = 63194953 is a prime.

It is a super-2 number, since 2×63195017² = 7987220347260578, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63195217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31597508 + 31597509.

It is an arithmetic number, because the mean of its divisors is an integer number (31597509).

Almost surely, 2^63195017 is an apocalyptic number.

It is an amenable number.

63195017 is a deficient number, since it is larger than the sum of its proper divisors (1).

63195017 is an equidigital number, since it uses as much as digits as its factorization.

63195017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 63195017 is about 7949.5293571381. The cubic root of 63195017 is about 398.3158713111.

The spelling of 63195017 in words is "sixty-three million, one hundred ninety-five thousand, seventeen".