63361613 has 12 divisors (see below), whose sum is σ = 74832480. Its totient is φ = 52552440.

The previous prime is 63361603. The next prime is 63361631. The reversal of 63361613 is 31616336.

It is not a de Polignac number, because 63361613 - 2¹⁰ = 63360589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63361603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2018 + ... + 11436.

It is an arithmetic number, because the mean of its divisors is an integer number (6236040).

Almost surely, 2^63361613 is an apocalyptic number.

It is an amenable number.

63361613 is a deficient number, since it is larger than the sum of its proper divisors (11470867).

63361613 is an equidigital number, since it uses as much as digits as its factorization.

63361613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9488 (or 9457 counting only the distinct ones).

The product of its digits is 5832, while the sum is 29.

The square root of 63361613 is about 7960.0008165829. Note that the first 3 decimals coincide. The cubic root of 63361613 is about 398.6655803441.

Adding to 63361613 its reverse (31616336), we get a palindrome (94977949).

The spelling of 63361613 in words is "sixty-three million, three hundred sixty-one thousand, six hundred thirteen".