48635281 has 4 divisors (see below), whose sum is σ = 48773412. Its totient is φ = 48497152.

The previous prime is 48635267. The next prime is 48635341. The reversal of 48635281 is 18253684.

It is a happy number.

48635281 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 can be written as a sum of positive squares in 2 ways, for example, as 8503056 + 40132225 = 2916^2 + 6335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48635281 is a prime.

It is a super-2 number, since 2×48635281² = 4730781115897922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48635281.

It is not an unprimeable number, because it can be changed into a prime (48635681) 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, 68536 + ... + 69241.

It is an arithmetic number, because the mean of its divisors is an integer number (12193353).

Almost surely, 2^48635281 is an apocalyptic number.

It is an amenable number.

48635281 is a deficient number, since it is larger than the sum of its proper divisors (138131).

48635281 is a wasteful number, since it uses less digits than its factorization.

48635281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138130.

The product of its digits is 46080, while the sum is 37.

The square root of 48635281 is about 6973.8999849439. The cubic root of 48635281 is about 365.0204054396.

The spelling of 48635281 in words is "forty-eight million, six hundred thirty-five thousand, two hundred eighty-one".