63197901 has 20 divisors (see below), whose sum is σ = 101670492. Its totient is φ = 38890368.

The previous prime is 63197899. The next prime is 63197923. The reversal of 63197901 is 10979136.

63197901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32661225 + 30536676 = 5715^2 + 5526^2 .

It is not a de Polignac number, because 63197901 - 2¹ = 63197899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63197801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28956 + ... + 31061.

Almost surely, 2^63197901 is an apocalyptic number.

It is an amenable number.

63197901 is a deficient number, since it is larger than the sum of its proper divisors (38472591).

63197901 is a wasteful number, since it uses less digits than its factorization.

63197901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60042 (or 60033 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 63197901 is about 7949.7107494550. The cubic root of 63197901 is about 398.3219304677.

The spelling of 63197901 in words is "sixty-three million, one hundred ninety-seven thousand, nine hundred one".