48397621 has 2 divisors, whose sum is σ = 48397622. Its totient is φ = 48397620.

The previous prime is 48397571. The next prime is 48397627. The reversal of 48397621 is 12679384.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46991025 + 1406596 = 6855^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 48397621 - 2⁷ = 48397493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48397627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24198810 + 24198811.

It is an arithmetic number, because the mean of its divisors is an integer number (24198811).

Almost surely, 2^48397621 is an apocalyptic number.

It is an amenable number.

48397621 is a deficient number, since it is larger than the sum of its proper divisors (1).

48397621 is an equidigital number, since it uses as much as digits as its factorization.

48397621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 48397621 is about 6956.8398716659. The cubic root of 48397621 is about 364.4248676780.

The spelling of 48397621 in words is "forty-eight million, three hundred ninety-seven thousand, six hundred twenty-one".