63205313 has 8 divisors (see below), whose sum is σ = 66254496. Its totient is φ = 60228000.

The previous prime is 63205301. The next prime is 63205319. The reversal of 63205313 is 31350236.

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 63205313 - 2⁸ = 63205057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63205319) 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, 16163 + ... + 19688.

It is an arithmetic number, because the mean of its divisors is an integer number (8281812).

Almost surely, 2^63205313 is an apocalyptic number.

It is an amenable number.

63205313 is a deficient number, since it is larger than the sum of its proper divisors (3049183).

63205313 is a wasteful number, since it uses less digits than its factorization.

63205313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35935.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 63205313 is about 7950.1769162705. The cubic root of 63205313 is about 398.3375019064.

Adding to 63205313 its reverse (31350236), we get a palindrome (94555549).

The spelling of 63205313 in words is "sixty-three million, two hundred five thousand, three hundred thirteen".