48323581 has 2 divisors, whose sum is σ = 48323582. Its totient is φ = 48323580.

The previous prime is 48323579. The next prime is 48323603. The reversal of 48323581 is 18532384.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41718681 + 6604900 = 6459^2 + 2570^2 .

It is a cyclic number.

It is not a de Polignac number, because 48323581 - 2¹ = 48323579 is a prime.

It is a super-2 number, since 2×48323581² = 4670336961327122, which contains 22 as substring.

Together with 48323579, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48323521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24161790 + 24161791.

It is an arithmetic number, because the mean of its divisors is an integer number (24161791).

Almost surely, 2^48323581 is an apocalyptic number.

It is an amenable number.

48323581 is a deficient number, since it is larger than the sum of its proper divisors (1).

48323581 is an equidigital number, since it uses as much as digits as its factorization.

48323581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 48323581 is about 6951.5164532640. The cubic root of 48323581 is about 364.2389371328.

The spelling of 48323581 in words is "forty-eight million, three hundred twenty-three thousand, five hundred eighty-one".