63088321 has 2 divisors, whose sum is σ = 63088322. Its totient is φ = 63088320.

The previous prime is 63088313. The next prime is 63088327. The reversal of 63088321 is 12388036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61449921 + 1638400 = 7839^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 63088321 - 2³ = 63088313 is a prime.

It is not a weakly prime, because it can be changed into another prime (63088327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31544160 + 31544161.

It is an arithmetic number, because the mean of its divisors is an integer number (31544161).

Almost surely, 2^63088321 is an apocalyptic number.

It is an amenable number.

63088321 is a deficient number, since it is larger than the sum of its proper divisors (1).

63088321 is an equidigital number, since it uses as much as digits as its factorization.

63088321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 63088321 is about 7942.8156846297. The cubic root of 63088321 is about 398.0915780445.

The spelling of 63088321 in words is "sixty-three million, eighty-eight thousand, three hundred twenty-one".