63088391 has 4 divisors (see below), whose sum is σ = 64278792. Its totient is φ = 61897992.

The previous prime is 63088387. The next prime is 63088397. The reversal of 63088391 is 19388036.

63088391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63088391 - 2² = 63088387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63088397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595121 + ... + 595226.

It is an arithmetic number, because the mean of its divisors is an integer number (16069698).

Almost surely, 2^63088391 is an apocalyptic number.

63088391 is a deficient number, since it is larger than the sum of its proper divisors (1190401).

63088391 is a wasteful number, since it uses less digits than its factorization.

63088391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190400.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 63088391 is about 7942.8200911263. The cubic root of 63088391 is about 398.0917252794.

The spelling of 63088391 in words is "sixty-three million, eighty-eight thousand, three hundred ninety-one".