480579661 has 2 divisors, whose sum is σ = 480579662. Its totient is φ = 480579660.

The previous prime is 480579623. The next prime is 480579667. The reversal of 480579661 is 166975084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402804900 + 77774761 = 20070^2 + 8819^2 .

It is a cyclic number.

It is not a de Polignac number, because 480579661 - 2¹¹ = 480577613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (480579667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240289830 + 240289831.

It is an arithmetic number, because the mean of its divisors is an integer number (240289831).

Almost surely, 2^480579661 is an apocalyptic number.

It is an amenable number.

480579661 is a deficient number, since it is larger than the sum of its proper divisors (1).

480579661 is an equidigital number, since it uses as much as digits as its factorization.

480579661 is an evil number, because the sum of its binary digits is even.

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

The square root of 480579661 is about 21922.1272006163. The cubic root of 480579661 is about 783.2885814583.

The spelling of 480579661 in words is "four hundred eighty million, five hundred seventy-nine thousand, six hundred sixty-one".