484521491 has 2 divisors, whose sum is σ = 484521492. Its totient is φ = 484521490.

The previous prime is 484521469. The next prime is 484521493. The reversal of 484521491 is 194125484.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 484521491 - 2²² = 480327187 is a prime.

It is a super-2 number, since 2×484521491² = 469522150481726162, which contains 22 as substring.

Together with 484521493, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_25582565 and since 484521491 and 25582565 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (484521493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242260745 + 242260746.

It is an arithmetic number, because the mean of its divisors is an integer number (242260746).

Almost surely, 2^484521491 is an apocalyptic number.

484521491 is a deficient number, since it is larger than the sum of its proper divisors (1).

484521491 is an equidigital number, since it uses as much as digits as its factorization.

484521491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 38.

The square root of 484521491 is about 22011.8488773660. The cubic root of 484521491 is about 785.4243265575.

The spelling of 484521491 in words is "four hundred eighty-four million, five hundred twenty-one thousand, four hundred ninety-one".