485442791 has 2 divisors, whose sum is σ = 485442792. Its totient is φ = 485442790.

The previous prime is 485442779. The next prime is 485442817. The reversal of 485442791 is 197244584.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 485442791 - 2¹⁰ = 485441767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485442721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242721395 + 242721396.

It is an arithmetic number, because the mean of its divisors is an integer number (242721396).

Almost surely, 2^485442791 is an apocalyptic number.

485442791 is a deficient number, since it is larger than the sum of its proper divisors (1).

485442791 is an equidigital number, since it uses as much as digits as its factorization.

485442791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 44.

The square root of 485442791 is about 22032.7663038485. The cubic root of 485442791 is about 785.9218299632.

The spelling of 485442791 in words is "four hundred eighty-five million, four hundred forty-two thousand, seven hundred ninety-one".