486553831 has 2 divisors, whose sum is σ = 486553832. Its totient is φ = 486553830.

The previous prime is 486553829. The next prime is 486553927. The reversal of 486553831 is 138355684.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 486553831 - 2¹ = 486553829 is a prime.

It is a super-2 number, since 2×486553831² = 473469260921553122, which contains 22 as substring.

Together with 486553829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486551831) 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, 243276915 + 243276916.

It is an arithmetic number, because the mean of its divisors is an integer number (243276916).

Almost surely, 2^486553831 is an apocalyptic number.

486553831 is a deficient number, since it is larger than the sum of its proper divisors (1).

486553831 is an equidigital number, since it uses as much as digits as its factorization.

486553831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 43.

The square root of 486553831 is about 22057.9652506753. The cubic root of 486553831 is about 786.5209567058.

The spelling of 486553831 in words is "four hundred eighty-six million, five hundred fifty-three thousand, eight hundred thirty-one".