48748621 has 2 divisors, whose sum is σ = 48748622. Its totient is φ = 48748620.

The previous prime is 48748619. The next prime is 48748643. The reversal of 48748621 is 12684784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43956900 + 4791721 = 6630^2 + 2189^2 .

It is a cyclic number.

It is not a de Polignac number, because 48748621 - 2¹ = 48748619 is a prime.

Together with 48748619, 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 (48748121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24374310 + 24374311.

It is an arithmetic number, because the mean of its divisors is an integer number (24374311).

Almost surely, 2^48748621 is an apocalyptic number.

It is an amenable number.

48748621 is a deficient number, since it is larger than the sum of its proper divisors (1).

48748621 is an equidigital number, since it uses as much as digits as its factorization.

48748621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 40.

The square root of 48748621 is about 6982.0212689450. The cubic root of 48748621 is about 365.3037341674.

The spelling of 48748621 in words is "forty-eight million, seven hundred forty-eight thousand, six hundred twenty-one".