460981 has 2 divisors, whose sum is σ = 460982. Its totient is φ = 460980.

The previous prime is 460979. The next prime is 460987. The reversal of 460981 is 189064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320356 + 140625 = 566^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 460981 - 2¹ = 460979 is a prime.

It is a super-2 number, since 2×460981² = 425006964722, which contains 22 as substring.

Together with 460979, it forms a pair of twin primes.

It is an Ulam number.

460981 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (460987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230490 + 230491.

It is an arithmetic number, because the mean of its divisors is an integer number (230491).

2⁴⁶⁰⁹⁸¹ is an apocalyptic number.

It is an amenable number.

460981 is a deficient number, since it is larger than the sum of its proper divisors (1).

460981 is an equidigital number, since it uses as much as digits as its factorization.

460981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 460981 is about 678.9558159409. The cubic root of 460981 is about 77.2492624989.

It can be divided in two parts, 460 and 981, that added together give a palindrome (1441).

The spelling of 460981 in words is "four hundred sixty thousand, nine hundred eighty-one".