63620313 has 8 divisors (see below), whose sum is σ = 84900000. Its totient is φ = 42377088.

The previous prime is 63620311. The next prime is 63620321. The reversal of 63620313 is 31302636.

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

It is not a de Polignac number, because 63620313 - 2¹ = 63620311 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63620311) 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, 4743 + ... + 12236.

It is an arithmetic number, because the mean of its divisors is an integer number (10612500).

Almost surely, 2^63620313 is an apocalyptic number.

It is an amenable number.

63620313 is a deficient number, since it is larger than the sum of its proper divisors (21279687).

63620313 is a wasteful number, since it uses less digits than its factorization.

63620313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18231.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 63620313 is about 7976.2342618557. The cubic root of 63620313 is about 399.2074159804.

Adding to 63620313 its reverse (31302636), we get a palindrome (94922949).

The spelling of 63620313 in words is "sixty-three million, six hundred twenty thousand, three hundred thirteen".