63201191 has 2 divisors, whose sum is σ = 63201192. Its totient is φ = 63201190.

The previous prime is 63201133. The next prime is 63201197. The reversal of 63201191 is 19110236.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63201191 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63201197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31600595 + 31600596.

It is an arithmetic number, because the mean of its divisors is an integer number (31600596).

Almost surely, 2^63201191 is an apocalyptic number.

63201191 is a deficient number, since it is larger than the sum of its proper divisors (1).

63201191 is an equidigital number, since it uses as much as digits as its factorization.

63201191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 63201191 is about 7949.9176725297. The cubic root of 63201191 is about 398.3288423872.

The spelling of 63201191 in words is "sixty-three million, two hundred one thousand, one hundred ninety-one".