63617089 has 2 divisors, whose sum is σ = 63617090. Its totient is φ = 63617088.

The previous prime is 63617069. The next prime is 63617101. The reversal of 63617089 is 98071636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62964225 + 652864 = 7935^2 + 808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63617089 is a prime.

It is equal to p_3763696 and since 63617089 and 3763696 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (63617069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31808544 + 31808545.

It is an arithmetic number, because the mean of its divisors is an integer number (31808545).

Almost surely, 2^63617089 is an apocalyptic number.

It is an amenable number.

63617089 is a deficient number, since it is larger than the sum of its proper divisors (1).

63617089 is an equidigital number, since it uses as much as digits as its factorization.

63617089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 63617089 is about 7976.0321589121. The cubic root of 63617089 is about 399.2006725029.

The spelling of 63617089 in words is "sixty-three million, six hundred seventeen thousand, eighty-nine".