480679561 has 4 divisors (see below), whose sum is σ = 482674324. Its totient is φ = 478684800.

The previous prime is 480679559. The next prime is 480679567. The reversal of 480679561 is 165976084.

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 437855625 + 42823936 = 20925^2 + 6544^2 .

It is a cyclic number.

It is not a de Polignac number, because 480679561 - 2¹ = 480679559 is a prime.

It is a super-3 number, since 3×480679561³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (480679567) 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, 997020 + ... + 997501.

It is an arithmetic number, because the mean of its divisors is an integer number (120668581).

Almost surely, 2^480679561 is an apocalyptic number.

It is an amenable number.

480679561 is a deficient number, since it is larger than the sum of its proper divisors (1994763).

480679561 is a wasteful number, since it uses less digits than its factorization.

480679561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994762.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 480679561 is about 21924.4056019770. The cubic root of 480679561 is about 783.3428527992.

The spelling of 480679561 in words is "four hundred eighty million, six hundred seventy-nine thousand, five hundred sixty-one".