63297121 has 8 divisors (see below), whose sum is σ = 65152064. Its totient is φ = 61449840.

The previous prime is 63297107. The next prime is 63297131. The reversal of 63297121 is 12179236.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63297121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63297131) 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, 17716 + ... + 20986.

It is an arithmetic number, because the mean of its divisors is an integer number (8144008).

Almost surely, 2^63297121 is an apocalyptic number.

It is an amenable number.

63297121 is a deficient number, since it is larger than the sum of its proper divisors (1854943).

63297121 is a wasteful number, since it uses less digits than its factorization.

63297121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831.

The product of its digits is 4536, while the sum is 31.

The square root of 63297121 is about 7955.9487806295. The cubic root of 63297121 is about 398.5302751361.

The spelling of 63297121 in words is "sixty-three million, two hundred ninety-seven thousand, one hundred twenty-one".