48390491 has 2 divisors, whose sum is σ = 48390492. Its totient is φ = 48390490.

The previous prime is 48390479. The next prime is 48390493. The reversal of 48390491 is 19409384.

48390491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 48390491 - 2⁶ = 48390427 is a prime.

Together with 48390493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48390493) 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, 24195245 + 24195246.

It is an arithmetic number, because the mean of its divisors is an integer number (24195246).

Almost surely, 2^48390491 is an apocalyptic number.

48390491 is a deficient number, since it is larger than the sum of its proper divisors (1).

48390491 is an equidigital number, since it uses as much as digits as its factorization.

48390491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 48390491 is about 6956.3274074759. The cubic root of 48390491 is about 364.4069709518.

The spelling of 48390491 in words is "forty-eight million, three hundred ninety thousand, four hundred ninety-one".