63319057 has 4 divisors (see below), whose sum is σ = 63525616. Its totient is φ = 63112500.

The previous prime is 63319031. The next prime is 63319073. The reversal of 63319057 is 75091336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63319057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63319097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102819 + ... + 103432.

It is an arithmetic number, because the mean of its divisors is an integer number (15881404).

Almost surely, 2^63319057 is an apocalyptic number.

It is an amenable number.

63319057 is a deficient number, since it is larger than the sum of its proper divisors (206559).

63319057 is a wasteful number, since it uses less digits than its factorization.

63319057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206558.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 63319057 is about 7957.3272522877. The cubic root of 63319057 is about 398.5763075111.

The spelling of 63319057 in words is "sixty-three million, three hundred nineteen thousand, fifty-seven".