479581 has 2 divisors, whose sum is σ = 479582. Its totient is φ = 479580.

The previous prime is 479569. The next prime is 479593. The reversal of 479581 is 185974.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (479569) and next prime (479593).

It can be written as a sum of positive squares in only one way, i.e., 476100 + 3481 = 690^2 + 59^2 .

It is a cyclic number.

It is not a de Polignac number, because 479581 - 2¹³ = 471389 is a prime.

It is a super-2 number, since 2×479581² = 459995871122, which contains 22 as substring.

479581 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239790 + 239791.

It is an arithmetic number, because the mean of its divisors is an integer number (239791).

2⁴⁷⁹⁵⁸¹ is an apocalyptic number.

It is an amenable number.

479581 is a deficient number, since it is larger than the sum of its proper divisors (1).

479581 is an equidigital number, since it uses as much as digits as its factorization.

479581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 479581 is about 692.5178698055. The cubic root of 479581 is about 78.2745638364.

The spelling of 479581 in words is "four hundred seventy-nine thousand, five hundred eighty-one".