480261 has 4 divisors (see below), whose sum is σ = 640352. Its totient is φ = 320172.

The previous prime is 480209. The next prime is 480287. The reversal of 480261 is 162084.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 480261 - 2⁷ = 480133 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

480261 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 480261.

It is not an unprimeable number, because it can be changed into a prime (480061) 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, 80041 + ... + 80046.

It is an arithmetic number, because the mean of its divisors is an integer number (160088).

2⁴⁸⁰²⁶¹ is an apocalyptic number.

It is an amenable number.

480261 is a deficient number, since it is larger than the sum of its proper divisors (160091).

480261 is a wasteful number, since it uses less digits than its factorization.

480261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160090.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 480261 is about 693.0086579546. The cubic root of 480261 is about 78.3115416472.

It can be divided in two parts, 480 and 261, that added together give a triangular number (741 = T₃₈).

The spelling of 480261 in words is "four hundred eighty thousand, two hundred sixty-one".