486162581 has 2 divisors, whose sum is σ = 486162582. Its totient is φ = 486162580.

The previous prime is 486162577. The next prime is 486162667. The reversal of 486162581 is 185261684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455182225 + 30980356 = 21335^2 + 5566^2 .

It is a cyclic number.

It is not a de Polignac number, because 486162581 - 2² = 486162577 is a prime.

It is a super-2 number, since 2×486162581² = 472708110329163122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486162571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243081290 + 243081291.

It is an arithmetic number, because the mean of its divisors is an integer number (243081291).

Almost surely, 2^486162581 is an apocalyptic number.

It is an amenable number.

486162581 is a deficient number, since it is larger than the sum of its proper divisors (1).

486162581 is an equidigital number, since it uses as much as digits as its factorization.

486162581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 41.

The square root of 486162581 is about 22049.0947886756. The cubic root of 486162581 is about 786.3100798374.

The spelling of 486162581 in words is "four hundred eighty-six million, one hundred sixty-two thousand, five hundred eighty-one".