63325709 has 2 divisors, whose sum is σ = 63325710. Its totient is φ = 63325708.

The previous prime is 63325631. The next prime is 63325723. The reversal of 63325709 is 90752336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55502500 + 7823209 = 7450^2 + 2797^2 .

It is a cyclic number.

It is not a de Polignac number, because 63325709 - 2²⁰ = 62277133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63325609) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31662854 + 31662855.

It is an arithmetic number, because the mean of its divisors is an integer number (31662855).

Almost surely, 2^63325709 is an apocalyptic number.

It is an amenable number.

63325709 is a deficient number, since it is larger than the sum of its proper divisors (1).

63325709 is an equidigital number, since it uses as much as digits as its factorization.

63325709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 63325709 is about 7957.7452208524. The cubic root of 63325709 is about 398.5902645349.

The spelling of 63325709 in words is "sixty-three million, three hundred twenty-five thousand, seven hundred nine".