48321391 has 2 divisors, whose sum is σ = 48321392. Its totient is φ = 48321390.

The previous prime is 48321353. The next prime is 48321431. The reversal of 48321391 is 19312384.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48321391 - 2¹⁵ = 48288623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48321491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24160695 + 24160696.

It is an arithmetic number, because the mean of its divisors is an integer number (24160696).

Almost surely, 2^48321391 is an apocalyptic number.

48321391 is a deficient number, since it is larger than the sum of its proper divisors (1).

48321391 is an equidigital number, since it uses as much as digits as its factorization.

48321391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 48321391 is about 6951.3589318924. The cubic root of 48321391 is about 364.2334346755.

The spelling of 48321391 in words is "forty-eight million, three hundred twenty-one thousand, three hundred ninety-one".