481966571 has 2 divisors, whose sum is σ = 481966572. Its totient is φ = 481966570.

The previous prime is 481966567. The next prime is 481966601. The reversal of 481966571 is 175669184.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 481966571 - 2² = 481966567 is a prime.

It is a super-2 number, since 2×481966571² = 464583551122996082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (481966171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240983285 + 240983286.

It is an arithmetic number, because the mean of its divisors is an integer number (240983286).

Almost surely, 2^481966571 is an apocalyptic number.

481966571 is a deficient number, since it is larger than the sum of its proper divisors (1).

481966571 is an equidigital number, since it uses as much as digits as its factorization.

481966571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 481966571 is about 21953.7370622862. The cubic root of 481966571 is about 784.0413580804.

The spelling of 481966571 in words is "four hundred eighty-one million, nine hundred sixty-six thousand, five hundred seventy-one".