481538 has 4 divisors (see below), whose sum is σ = 722310. Its totient is φ = 240768.

The previous prime is 481531. The next prime is 481549. The reversal of 481538 is 835184.

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

It can be written as a sum of positive squares in only one way, i.e., 299209 + 182329 = 547^2 + 427^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 481538.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481531) by changing a digit.

481538 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120383 + ... + 120386.

2⁴⁸¹⁵³⁸ is an apocalyptic number.

481538 is a deficient number, since it is larger than the sum of its proper divisors (240772).

481538 is a wasteful number, since it uses less digits than its factorization.

481538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240771.

The product of its digits is 3840, while the sum is 29.

The square root of 481538 is about 693.9293912207. The cubic root of 481538 is about 78.3808895876.

The spelling of 481538 in words is "four hundred eighty-one thousand, five hundred thirty-eight".