481573 has 4 divisors (see below), whose sum is σ = 483340. Its totient is φ = 479808.

The previous prime is 481571. The next prime is 481577. The reversal of 481573 is 375184.

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 74529 + 407044 = 273^2 + 638^2 .

It is a cyclic number.

It is not a de Polignac number, because 481573 - 2¹ = 481571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378 + ... + 1051.

It is an arithmetic number, because the mean of its divisors is an integer number (120835).

It is a Poulet number, since it divides 2⁴⁸¹⁵⁷²-1.

2⁴⁸¹⁵⁷³ is an apocalyptic number.

It is an amenable number.

481573 is a deficient number, since it is larger than the sum of its proper divisors (1767).

481573 is a wasteful number, since it uses less digits than its factorization.

481573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766.

The product of its digits is 3360, while the sum is 28.

The square root of 481573 is about 693.9546094666. The cubic root of 481573 is about 78.3827885479.

The spelling of 481573 in words is "four hundred eighty-one thousand, five hundred seventy-three".