63303413 has 2 divisors, whose sum is σ = 63303414. Its totient is φ = 63303412.

The previous prime is 63303403. The next prime is 63303431. The reversal of 63303413 is 31430336.

Together with next prime (63303431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43784689 + 19518724 = 6617^2 + 4418^2 .

It is a cyclic number.

It is not a de Polignac number, because 63303413 - 2²² = 59109109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63303403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31651706 + 31651707.

It is an arithmetic number, because the mean of its divisors is an integer number (31651707).

Almost surely, 2^63303413 is an apocalyptic number.

It is an amenable number.

63303413 is a deficient number, since it is larger than the sum of its proper divisors (1).

63303413 is an equidigital number, since it uses as much as digits as its factorization.

63303413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 63303413 is about 7956.3441981855. The cubic root of 63303413 is about 398.5434798936.

Adding to 63303413 its reverse (31430336), we get a palindrome (94733749).

The spelling of 63303413 in words is "sixty-three million, three hundred three thousand, four hundred thirteen".