481257 has 12 divisors (see below), whose sum is σ = 794560. Its totient is φ = 274968.

The previous prime is 481249. The next prime is 481297. The reversal of 481257 is 752184.

It is not a de Polignac number, because 481257 - 2³ = 481249 is a prime.

It is a Duffinian number.

481257 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 481257.

It is not an unprimeable number, because it can be changed into a prime (481207) 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 11 ways as a sum of consecutive naturals, for example, 3757 + ... + 3882.

2⁴⁸¹²⁵⁷ is an apocalyptic number.

It is an amenable number.

481257 is a deficient number, since it is larger than the sum of its proper divisors (313303).

481257 is a wasteful number, since it uses less digits than its factorization.

481257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7652 (or 7649 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 481257 is about 693.7268915070. The cubic root of 481257 is about 78.3656403130.

The spelling of 481257 in words is "four hundred eighty-one thousand, two hundred fifty-seven".