63030685 has 4 divisors (see below), whose sum is σ = 75636828. Its totient is φ = 50424544.

The previous prime is 63030683. The next prime is 63030689. The reversal of 63030685 is 58603036.

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 37810201 + 25220484 = 6149^2 + 5022^2 .

It is a cyclic number.

It is not a de Polignac number, because 63030685 - 2¹ = 63030683 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63030683) 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, 6303064 + ... + 6303073.

It is an arithmetic number, because the mean of its divisors is an integer number (18909207).

Almost surely, 2^63030685 is an apocalyptic number.

It is an amenable number.

63030685 is a deficient number, since it is larger than the sum of its proper divisors (12606143).

63030685 is a wasteful number, since it uses less digits than its factorization.

63030685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12606142.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 63030685 is about 7939.1866711899. The cubic root of 63030685 is about 397.9703120874.

The spelling of 63030685 in words is "sixty-three million, thirty thousand, six hundred eighty-five".