63427613 has 2 divisors, whose sum is σ = 63427614. Its totient is φ = 63427612.

The previous prime is 63427603. The next prime is 63427633. The reversal of 63427613 is 31672436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43731769 + 19695844 = 6613^2 + 4438^2 .

It is a cyclic number.

It is not a de Polignac number, because 63427613 - 2⁴ = 63427597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63427613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63427603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31713806 + 31713807.

It is an arithmetic number, because the mean of its divisors is an integer number (31713807).

Almost surely, 2^63427613 is an apocalyptic number.

It is an amenable number.

63427613 is a deficient number, since it is larger than the sum of its proper divisors (1).

63427613 is an equidigital number, since it uses as much as digits as its factorization.

63427613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 63427613 is about 7964.1454657735. The cubic root of 63427613 is about 398.8039543348.

The spelling of 63427613 in words is "sixty-three million, four hundred twenty-seven thousand, six hundred thirteen".