481961 has 4 divisors (see below), whose sum is σ = 489924. Its totient is φ = 474000.

The previous prime is 481939. The next prime is 481963. The reversal of 481961 is 169184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 144400 + 337561 = 380^2 + 581^2 .

It is a cyclic number.

It is not a de Polignac number, because 481961 - 2¹⁰ = 480937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481963) 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 in 3 ways as a sum of consecutive naturals, for example, 3890 + ... + 4011.

It is an arithmetic number, because the mean of its divisors is an integer number (122481).

2⁴⁸¹⁹⁶¹ is an apocalyptic number.

It is an amenable number.

481961 is a deficient number, since it is larger than the sum of its proper divisors (7963).

481961 is an equidigital number, since it uses as much as digits as its factorization.

481961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7962.

The product of its digits is 1728, while the sum is 29.

The square root of 481961 is about 694.2341103691. The cubic root of 481961 is about 78.4038337185.

It can be divided in two parts, 481 and 961, that multiplied together give a triangular number (462241 = T₉₆₁).

The spelling of 481961 in words is "four hundred eighty-one thousand, nine hundred sixty-one".