48619621 has 2 divisors, whose sum is σ = 48619622. Its totient is φ = 48619620.

The previous prime is 48619619. The next prime is 48619633. The reversal of 48619621 is 12691684.

It is a happy number.

48619621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41139396 + 7480225 = 6414^2 + 2735^2 .

It is a cyclic number.

It is not a de Polignac number, because 48619621 - 2¹ = 48619619 is a prime.

Together with 48619619, 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 (48619661) 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, 24309810 + 24309811.

It is an arithmetic number, because the mean of its divisors is an integer number (24309811).

Almost surely, 2^48619621 is an apocalyptic number.

It is an amenable number.

48619621 is a deficient number, since it is larger than the sum of its proper divisors (1).

48619621 is an equidigital number, since it uses as much as digits as its factorization.

48619621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 48619621 is about 6972.7771368372. Note that the first 3 decimals coincide. The cubic root of 48619621 is about 364.9812237792.

The spelling of 48619621 in words is "forty-eight million, six hundred nineteen thousand, six hundred twenty-one".