63199061 has 2 divisors, whose sum is σ = 63199062. Its totient is φ = 63199060.

The previous prime is 63199057. The next prime is 63199069. The reversal of 63199061 is 16099136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49434961 + 13764100 = 7031^2 + 3710^2 .

It is a cyclic number.

It is not a de Polignac number, because 63199061 - 2² = 63199057 is a prime.

It is a super-2 number, since 2×63199061² = 7988242622563442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63199069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31599530 + 31599531.

It is an arithmetic number, because the mean of its divisors is an integer number (31599531).

Almost surely, 2^63199061 is an apocalyptic number.

It is an amenable number.

63199061 is a deficient number, since it is larger than the sum of its proper divisors (1).

63199061 is an equidigital number, since it uses as much as digits as its factorization.

63199061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 63199061 is about 7949.7837077495. The cubic root of 63199061 is about 398.3243675244.

The spelling of 63199061 in words is "sixty-three million, one hundred ninety-nine thousand, sixty-one".