63061013 has 4 divisors (see below), whose sum is σ = 63387948. Its totient is φ = 62734080.

The previous prime is 63061001. The next prime is 63061021. The reversal of 63061013 is 31016036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9229444 + 53831569 = 3038^2 + 7337^2 .

It is a cyclic number.

It is not a de Polignac number, because 63061013 - 2⁴ = 63060997 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 (63061093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163178 + ... + 163563.

It is an arithmetic number, because the mean of its divisors is an integer number (15846987).

Almost surely, 2^63061013 is an apocalyptic number.

It is an amenable number.

63061013 is a deficient number, since it is larger than the sum of its proper divisors (326935).

63061013 is a wasteful number, since it uses less digits than its factorization.

63061013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326934.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 63061013 is about 7941.0964608170. The cubic root of 63061013 is about 398.0341313119.

Adding to 63061013 its reverse (31016036), we get a palindrome (94077049).

The spelling of 63061013 in words is "sixty-three million, sixty-one thousand, thirteen".