48749321 has 2 divisors, whose sum is σ = 48749322. Its totient is φ = 48749320.

The previous prime is 48749317. The next prime is 48749333. The reversal of 48749321 is 12394784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25603600 + 23145721 = 5060^2 + 4811^2 .

It is a cyclic number.

It is not a de Polignac number, because 48749321 - 2² = 48749317 is a prime.

It is a super-2 number, since 2×48749321² = 4752992595922082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48749341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24374660 + 24374661.

It is an arithmetic number, because the mean of its divisors is an integer number (24374661).

Almost surely, 2^48749321 is an apocalyptic number.

It is an amenable number.

48749321 is a deficient number, since it is larger than the sum of its proper divisors (1).

48749321 is an equidigital number, since it uses as much as digits as its factorization.

48749321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 48749321 is about 6982.0713975152. The cubic root of 48749321 is about 365.3054826708.

The spelling of 48749321 in words is "forty-eight million, seven hundred forty-nine thousand, three hundred twenty-one".