63056881 has 2 divisors, whose sum is σ = 63056882. Its totient is φ = 63056880.

The previous prime is 63056863. The next prime is 63056891. The reversal of 63056881 is 18865036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56250000 + 6806881 = 7500^2 + 2609^2 .

It is a cyclic number.

It is not a de Polignac number, because 63056881 - 2¹¹ = 63054833 is a prime.

It is a super-2 number, since 2×63056881² = 7952340482896322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63056881.

It is not a weakly prime, because it can be changed into another prime (63056831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31528440 + 31528441.

It is an arithmetic number, because the mean of its divisors is an integer number (31528441).

Almost surely, 2^63056881 is an apocalyptic number.

It is an amenable number.

63056881 is a deficient number, since it is larger than the sum of its proper divisors (1).

63056881 is an equidigital number, since it uses as much as digits as its factorization.

63056881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 63056881 is about 7940.8362909709. The cubic root of 63056881 is about 398.0254375466.

The spelling of 63056881 in words is "sixty-three million, fifty-six thousand, eight hundred eighty-one".