63465617 has 2 divisors, whose sum is σ = 63465618. Its totient is φ = 63465616.

The previous prime is 63465599. The next prime is 63465629. The reversal of 63465617 is 71656436.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60902416 + 2563201 = 7804^2 + 1601^2 .

It is a cyclic number.

It is not a de Polignac number, because 63465617 - 2⁶ = 63465553 is a prime.

It is not a weakly prime, because it can be changed into another prime (63465637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31732808 + 31732809.

It is an arithmetic number, because the mean of its divisors is an integer number (31732809).

Almost surely, 2^63465617 is an apocalyptic number.

It is an amenable number.

63465617 is a deficient number, since it is larger than the sum of its proper divisors (1).

63465617 is an equidigital number, since it uses as much as digits as its factorization.

63465617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 63465617 is about 7966.5310518443. The cubic root of 63465617 is about 398.8835890487.

The spelling of 63465617 in words is "sixty-three million, four hundred sixty-five thousand, six hundred seventeen".