481861 has 2 divisors, whose sum is σ = 481862. Its totient is φ = 481860.

The previous prime is 481849. The next prime is 481867. The reversal of 481861 is 168184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 481636 + 225 = 694^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 481861 - 2¹¹ = 479813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240930 + 240931.

It is an arithmetic number, because the mean of its divisors is an integer number (240931).

2⁴⁸¹⁸⁶¹ is an apocalyptic number.

It is an amenable number.

481861 is a deficient number, since it is larger than the sum of its proper divisors (1).

481861 is an equidigital number, since it uses as much as digits as its factorization.

481861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 28.

The square root of 481861 is about 694.1620848188. The cubic root of 481861 is about 78.3984107862.

The spelling of 481861 in words is "four hundred eighty-one thousand, eight hundred sixty-one".