479569 has 2 divisors, whose sum is σ = 479570. Its totient is φ = 479568.

The previous prime is 479561. The next prime is 479581. The reversal of 479569 is 965974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439569 + 40000 = 663^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 479569 - 2³ = 479561 is a prime.

It is a super-2 number, since 2×479569² = 459972851522, which contains 22 as substring.

It is a Chen prime.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239784 + 239785.

It is an arithmetic number, because the mean of its divisors is an integer number (239785).

2⁴⁷⁹⁵⁶⁹ is an apocalyptic number.

It is an amenable number.

479569 is a deficient number, since it is larger than the sum of its proper divisors (1).

479569 is an equidigital number, since it uses as much as digits as its factorization.

479569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 479569 is about 692.5092057150. The cubic root of 479569 is about 78.2739109730.

The spelling of 479569 in words is "four hundred seventy-nine thousand, five hundred sixty-nine".