391585483 has 2 divisors, whose sum is σ = 391585484. Its totient is φ = 391585482.

The previous prime is 391585457. The next prime is 391585501. The reversal of 391585483 is 384585193.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 391585483 - 2²¹ = 389488331 is a prime.

It is not a weakly prime, because it can be changed into another prime (391585423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195792741 + 195792742.

It is an arithmetic number, because the mean of its divisors is an integer number (195792742).

Almost surely, 2^391585483 is an apocalyptic number.

391585483 is a deficient number, since it is larger than the sum of its proper divisors (1).

391585483 is an equidigital number, since it uses as much as digits as its factorization.

391585483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 46.

The square root of 391585483 is about 19788.5189693418. The cubic root of 391585483 is about 731.6030842840.

It can be divided in two parts, 3915 and 85483, that added together give a palindrome (89398).

The spelling of 391585483 in words is "three hundred ninety-one million, five hundred eighty-five thousand, four hundred eighty-three".