481009 has 2 divisors, whose sum is σ = 481010. Its totient is φ = 481008.

The previous prime is 481003. The next prime is 481021. The reversal of 481009 is 900184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429025 + 51984 = 655^2 + 228^2 .

It is a cyclic number.

It is not a de Polignac number, because 481009 - 2³ = 481001 is a prime.

It is a super-3 number, since 3×481009³ = 333872663591651187, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (481001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240504 + 240505.

It is an arithmetic number, because the mean of its divisors is an integer number (240505).

2⁴⁸¹⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

481009 is a deficient number, since it is larger than the sum of its proper divisors (1).

481009 is an equidigital number, since it uses as much as digits as its factorization.

481009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 481009 is about 693.5481237809. The cubic root of 481009 is about 78.3521769465.

The spelling of 481009 in words is "four hundred eighty-one thousand, nine".