63901297 has 8 divisors (see below), whose sum is σ = 66243240. Its totient is φ = 61568640.

The previous prime is 63901289. The next prime is 63901301. The reversal of 63901297 is 79210936.

It can be written as a sum of positive squares in 4 ways, for example, as 1032256 + 62869041 = 1016^2 + 7929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63901297 - 2³ = 63901289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63901597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13653 + ... + 17725.

It is an arithmetic number, because the mean of its divisors is an integer number (8280405).

Almost surely, 2^63901297 is an apocalyptic number.

It is an amenable number.

63901297 is a deficient number, since it is larger than the sum of its proper divisors (2341943).

63901297 is a wasteful number, since it uses less digits than its factorization.

63901297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 63901297 is about 7993.8286821773. The cubic root of 63901297 is about 399.7942629488.

The spelling of 63901297 in words is "sixty-three million, nine hundred one thousand, two hundred ninety-seven".