481021 has 2 divisors, whose sum is σ = 481022. Its totient is φ = 481020.

The previous prime is 481009. The next prime is 481043. The reversal of 481021 is 120184.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436921 + 44100 = 661^2 + 210^2 .

It is a cyclic number.

It is not a de Polignac number, because 481021 - 2⁵ = 480989 is a prime.

It is a super-3 number, since 3×481021³ = 333897652138116783, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 480986 and 481004.

It is a congruent number.

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, 240510 + 240511.

It is an arithmetic number, because the mean of its divisors is an integer number (240511).

2⁴⁸¹⁰²¹ is an apocalyptic number.

It is an amenable number.

481021 is a deficient number, since it is larger than the sum of its proper divisors (1).

481021 is an equidigital number, since it uses as much as digits as its factorization.

481021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 481021 is about 693.5567748930. The cubic root of 481021 is about 78.3528285062.

The spelling of 481021 in words is "four hundred eighty-one thousand, twenty-one".