63130997 has 2 divisors, whose sum is σ = 63130998. Its totient is φ = 63130996.

The previous prime is 63130981. The next prime is 63131017. The reversal of 63130997 is 79903136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37466641 + 25664356 = 6121^2 + 5066^2 .

It is a cyclic number.

It is not a de Polignac number, because 63130997 - 2⁴ = 63130981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63130997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63133997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31565498 + 31565499.

It is an arithmetic number, because the mean of its divisors is an integer number (31565499).

Almost surely, 2^63130997 is an apocalyptic number.

It is an amenable number.

63130997 is a deficient number, since it is larger than the sum of its proper divisors (1).

63130997 is an equidigital number, since it uses as much as digits as its factorization.

63130997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 63130997 is about 7945.5016833426. The cubic root of 63130997 is about 398.1813206289.

The spelling of 63130997 in words is "sixty-three million, one hundred thirty thousand, nine hundred ninety-seven".