48936581 has 2 divisors, whose sum is σ = 48936582. Its totient is φ = 48936580.

The previous prime is 48936577. The next prime is 48936637. The reversal of 48936581 is 18563984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48874081 + 62500 = 6991^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 48936581 - 2² = 48936577 is a prime.

It is a super-2 number, since 2×48936581² = 4789577919939122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48936521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24468290 + 24468291.

It is an arithmetic number, because the mean of its divisors is an integer number (24468291).

Almost surely, 2^48936581 is an apocalyptic number.

It is an amenable number.

48936581 is a deficient number, since it is larger than the sum of its proper divisors (1).

48936581 is an equidigital number, since it uses as much as digits as its factorization.

48936581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 48936581 is about 6995.4686047469. The cubic root of 48936581 is about 365.7726324304.

The spelling of 48936581 in words is "forty-eight million, nine hundred thirty-six thousand, five hundred eighty-one".