481275257 has 2 divisors, whose sum is σ = 481275258. Its totient is φ = 481275256.

The previous prime is 481275239. The next prime is 481275269. The reversal of 481275257 is 752572184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 464143936 + 17131321 = 21544^2 + 4139^2 .

It is a cyclic number.

It is not a de Polignac number, because 481275257 - 2⁸ = 481275001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (481275227) 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, 240637628 + 240637629.

It is an arithmetic number, because the mean of its divisors is an integer number (240637629).

Almost surely, 2^481275257 is an apocalyptic number.

It is an amenable number.

481275257 is a deficient number, since it is larger than the sum of its proper divisors (1).

481275257 is an equidigital number, since it uses as much as digits as its factorization.

481275257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 41.

The square root of 481275257 is about 21937.9866213835. The cubic root of 481275257 is about 783.6663126195. Note that the first 3 decimals are identical.

The spelling of 481275257 in words is "four hundred eighty-one million, two hundred seventy-five thousand, two hundred fifty-seven".