48013381 has 4 divisors (see below), whose sum is σ = 51706732. Its totient is φ = 44320032.

The previous prime is 48013379. The next prime is 48013391. The reversal of 48013381 is 18331084.

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 26936100 + 21077281 = 5190^2 + 4591^2 .

It is a cyclic number.

It is not a de Polignac number, because 48013381 - 2¹ = 48013379 is a prime.

It is a super-2 number, since 2×48013381² = 4610569510102322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48013331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1846656 + ... + 1846681.

It is an arithmetic number, because the mean of its divisors is an integer number (12926683).

Almost surely, 2^48013381 is an apocalyptic number.

It is an amenable number.

48013381 is a deficient number, since it is larger than the sum of its proper divisors (3693351).

48013381 is a wasteful number, since it uses less digits than its factorization.

48013381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693350.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 48013381 is about 6929.1688534773. The cubic root of 48013381 is about 363.4578861103.

It can be divided in two parts, 480 and 13381, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 48013381 in words is "forty-eight million, thirteen thousand, three hundred eighty-one".