63416831 has 2 divisors, whose sum is σ = 63416832. Its totient is φ = 63416830.

The previous prime is 63416809. The next prime is 63416833. The reversal of 63416831 is 13861436.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63416831 is a prime.

It is a super-2 number, since 2×63416831² = 8043388908165122, which contains 22 as substring.

Together with 63416833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63416833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31708415 + 31708416.

It is an arithmetic number, because the mean of its divisors is an integer number (31708416).

Almost surely, 2^63416831 is an apocalyptic number.

63416831 is a deficient number, since it is larger than the sum of its proper divisors (1).

63416831 is an equidigital number, since it uses as much as digits as its factorization.

63416831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 63416831 is about 7963.4685282231. The cubic root of 63416831 is about 398.7813556184.

The spelling of 63416831 in words is "sixty-three million, four hundred sixteen thousand, eight hundred thirty-one".