63958313 has 8 divisors (see below), whose sum is σ = 67818720. Its totient is φ = 60147360.

The previous prime is 63958309. The next prime is 63958361. The reversal of 63958313 is 31385936.

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 63958313 - 2² = 63958309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63958373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9683 + ... + 14888.

It is an arithmetic number, because the mean of its divisors is an integer number (8477340).

Almost surely, 2^63958313 is an apocalyptic number.

It is an amenable number.

63958313 is a deficient number, since it is larger than the sum of its proper divisors (3860407).

63958313 is a wasteful number, since it uses less digits than its factorization.

63958313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24727.

The product of its digits is 58320, while the sum is 38.

The square root of 63958313 is about 7997.3941380927. The cubic root of 63958313 is about 399.9131332201.

The spelling of 63958313 in words is "sixty-three million, nine hundred fifty-eight thousand, three hundred thirteen".