63082421 has 2 divisors, whose sum is σ = 63082422. Its totient is φ = 63082420.

The previous prime is 63082379. The next prime is 63082429. The reversal of 63082421 is 12428036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42706225 + 20376196 = 6535^2 + 4514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63082421 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 (63082429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31541210 + 31541211.

It is an arithmetic number, because the mean of its divisors is an integer number (31541211).

Almost surely, 2^63082421 is an apocalyptic number.

It is an amenable number.

63082421 is a deficient number, since it is larger than the sum of its proper divisors (1).

63082421 is an equidigital number, since it uses as much as digits as its factorization.

63082421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 63082421 is about 7942.4442711296. Note that the first 3 decimals coincide. The cubic root of 63082421 is about 398.0791678578.

The spelling of 63082421 in words is "sixty-three million, eighty-two thousand, four hundred twenty-one".