481057217 has 2 divisors, whose sum is σ = 481057218. Its totient is φ = 481057216.

The previous prime is 481057183. The next prime is 481057229. The reversal of 481057217 is 712750184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480442561 + 614656 = 21919^2 + 784^2 .

It is a cyclic number.

It is not a de Polignac number, because 481057217 - 2⁶ = 481057153 is a prime.

It is a super-3 number, since 3×481057217³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (481057237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240528608 + 240528609.

It is an arithmetic number, because the mean of its divisors is an integer number (240528609).

Almost surely, 2^481057217 is an apocalyptic number.

It is an amenable number.

481057217 is a deficient number, since it is larger than the sum of its proper divisors (1).

481057217 is an equidigital number, since it uses as much as digits as its factorization.

481057217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 481057217 is about 21933.0165959906. The cubic root of 481057217 is about 783.5479490213.

The spelling of 481057217 in words is "four hundred eighty-one million, fifty-seven thousand, two hundred seventeen".