48696521 has 2 divisors, whose sum is σ = 48696522. Its totient is φ = 48696520.

The previous prime is 48696509. The next prime is 48696523. The reversal of 48696521 is 12569684.

It is a happy number.

48696521 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., 42250000 + 6446521 = 6500^2 + 2539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48696521 is a prime.

Together with 48696523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48696523) 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, 24348260 + 24348261.

It is an arithmetic number, because the mean of its divisors is an integer number (24348261).

Almost surely, 2^48696521 is an apocalyptic number.

It is an amenable number.

48696521 is a deficient number, since it is larger than the sum of its proper divisors (1).

48696521 is an equidigital number, since it uses as much as digits as its factorization.

48696521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 48696521 is about 6978.2892602700. The cubic root of 48696521 is about 365.1735485441.

The spelling of 48696521 in words is "forty-eight million, six hundred ninety-six thousand, five hundred twenty-one".