63281293 has 8 divisors (see below), whose sum is σ = 67099968. Its totient is φ = 59473344.

The previous prime is 63281287. The next prime is 63281329. The reversal of 63281293 is 39218236.

It is a happy number.

63281293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63281293 - 2¹³ = 63273101 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 (63281203) 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 7 ways as a sum of consecutive naturals, for example, 11730 + ... + 16252.

It is an arithmetic number, because the mean of its divisors is an integer number (8387496).

Almost surely, 2^63281293 is an apocalyptic number.

It is an amenable number.

63281293 is a deficient number, since it is larger than the sum of its proper divisors (3818675).

63281293 is a wasteful number, since it uses less digits than its factorization.

63281293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363.

The product of its digits is 15552, while the sum is 34.

The square root of 63281293 is about 7954.9539910675. The cubic root of 63281293 is about 398.4970537038.

The spelling of 63281293 in words is "sixty-three million, two hundred eighty-one thousand, two hundred ninety-three".