48873581 has 2 divisors, whose sum is σ = 48873582. Its totient is φ = 48873580.

The previous prime is 48873563. The next prime is 48873593. The reversal of 48873581 is 18537884.

48873581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48580900 + 292681 = 6970^2 + 541^2 .

It is a cyclic number.

It is not a de Polignac number, because 48873581 - 2¹⁰ = 48872557 is a prime.

It is a super-2 number, since 2×48873581² = 4777253839527122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48873511) 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 as a sum of consecutive naturals, namely, 24436790 + 24436791.

It is an arithmetic number, because the mean of its divisors is an integer number (24436791).

Almost surely, 2^48873581 is an apocalyptic number.

It is an amenable number.

48873581 is a deficient number, since it is larger than the sum of its proper divisors (1).

48873581 is an equidigital number, since it uses as much as digits as its factorization.

48873581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 44.

The square root of 48873581 is about 6990.9642396453. The cubic root of 48873581 is about 365.6156021740.

The spelling of 48873581 in words is "forty-eight million, eight hundred seventy-three thousand, five hundred eighty-one".