480767921 has 2 divisors, whose sum is σ = 480767922. Its totient is φ = 480767920.

The previous prime is 480767897. The next prime is 480767953. The reversal of 480767921 is 129767084.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260661025 + 220106896 = 16145^2 + 14836^2 .

It is a cyclic number.

It is not a de Polignac number, because 480767921 - 2⁶ = 480767857 is a prime.

It is a super-3 number, since 3×480767921³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (480766921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240383960 + 240383961.

It is an arithmetic number, because the mean of its divisors is an integer number (240383961).

Almost surely, 2^480767921 is an apocalyptic number.

It is an amenable number.

480767921 is a deficient number, since it is larger than the sum of its proper divisors (1).

480767921 is an equidigital number, since it uses as much as digits as its factorization.

480767921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 480767921 is about 21926.4206153216. The cubic root of 480767921 is about 783.3908486917.

The spelling of 480767921 in words is "four hundred eighty million, seven hundred sixty-seven thousand, nine hundred twenty-one".