63905061 has 12 divisors (see below), whose sum is σ = 93657536. Its totient is φ = 38730120.

The previous prime is 63905059. The next prime is 63905071. The reversal of 63905061 is 16050936.

It is a happy number.

It is not a de Polignac number, because 63905061 - 2¹ = 63905059 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63905021) 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, 87661 + ... + 88386.

Almost surely, 2^63905061 is an apocalyptic number.

It is an amenable number.

63905061 is a deficient number, since it is larger than the sum of its proper divisors (29752475).

63905061 is a wasteful number, since it uses less digits than its factorization.

63905061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176072 (or 176061 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 63905061 is about 7994.0641103259. The cubic root of 63905061 is about 399.8021125342.

Adding to 63905061 its reverse (16050936), we get a palindrome (79955997).

The spelling of 63905061 in words is "sixty-three million, nine hundred five thousand, sixty-one".