481951 has 4 divisors (see below), whose sum is σ = 498600. Its totient is φ = 465304.

The previous prime is 481939. The next prime is 481963. The reversal of 481951 is 159184.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (481939) and next prime (481963).

It is a cyclic number.

It is not a de Polignac number, because 481951 - 2¹¹ = 479903 is a prime.

It is a Duffinian number.

481951 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8281 + ... + 8338.

It is an arithmetic number, because the mean of its divisors is an integer number (124650).

2⁴⁸¹⁹⁵¹ is an apocalyptic number.

481951 is a deficient number, since it is larger than the sum of its proper divisors (16649).

481951 is a wasteful number, since it uses less digits than its factorization.

481951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16648.

The product of its digits is 1440, while the sum is 28.

The square root of 481951 is about 694.2269081504. The cubic root of 481951 is about 78.4032914591.

The spelling of 481951 in words is "four hundred eighty-one thousand, nine hundred fifty-one".