63512313 has 8 divisors (see below), whose sum is σ = 86971968. Its totient is φ = 41197104.

The previous prime is 63512303. The next prime is 63512327. The reversal of 63512313 is 31321536.

It is a happy number.

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

It is not a de Polignac number, because 63512313 - 2⁶ = 63512249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63512303) 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, 285981 + ... + 286202.

It is an arithmetic number, because the mean of its divisors is an integer number (10871496).

Almost surely, 2^63512313 is an apocalyptic number.

It is an amenable number.

63512313 is a deficient number, since it is larger than the sum of its proper divisors (23459655).

63512313 is a wasteful number, since it uses less digits than its factorization.

63512313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572223.

The product of its digits is 1620, while the sum is 24.

The square root of 63512313 is about 7969.4612741389. The cubic root of 63512313 is about 398.9813937216.

Adding to 63512313 its reverse (31321536), we get a palindrome (94833849).

The spelling of 63512313 in words is "sixty-three million, five hundred twelve thousand, three hundred thirteen".