48040081 has 2 divisors, whose sum is σ = 48040082. Its totient is φ = 48040080.

The previous prime is 48040039. The next prime is 48040093. The reversal of 48040081 is 18004084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41486481 + 6553600 = 6441^2 + 2560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48040081 is a prime.

It is a super-2 number, since 2×48040081² = 4615698764973122, which contains 22 as substring.

It is a plaindrome in base 7.

It is not a weakly prime, because it can be changed into another prime (48040781) 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 as a sum of consecutive naturals, namely, 24020040 + 24020041.

It is an arithmetic number, because the mean of its divisors is an integer number (24020041).

Almost surely, 2^48040081 is an apocalyptic number.

It is an amenable number.

48040081 is a deficient number, since it is larger than the sum of its proper divisors (1).

48040081 is an equidigital number, since it uses as much as digits as its factorization.

48040081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 48040081 is about 6931.0952237002. The cubic root of 48040081 is about 363.5252459939.

The spelling of 48040081 in words is "forty-eight million, forty thousand, eighty-one".