480025561 has 2 divisors, whose sum is σ = 480025562. Its totient is φ = 480025560.

The previous prime is 480025541. The next prime is 480025591. The reversal of 480025561 is 165520084.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336025561 + 144000000 = 18331^2 + 12000^2 .

It is a cyclic number.

It is not a de Polignac number, because 480025561 - 2⁵ = 480025529 is a prime.

It is not a weakly prime, because it can be changed into another prime (480025501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240012780 + 240012781.

It is an arithmetic number, because the mean of its divisors is an integer number (240012781).

Almost surely, 2^480025561 is an apocalyptic number.

It is an amenable number.

480025561 is a deficient number, since it is larger than the sum of its proper divisors (1).

480025561 is an equidigital number, since it uses as much as digits as its factorization.

480025561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 480025561 is about 21909.4856397863. The cubic root of 480025561 is about 782.9874263109.

The spelling of 480025561 in words is "four hundred eighty million, twenty-five thousand, five hundred sixty-one".