241166257 has 2 divisors, whose sum is σ = 241166258. Its totient is φ = 241166256.

The previous prime is 241166243. The next prime is 241166281. The reversal of 241166257 is 752661142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162027441 + 79138816 = 12729^2 + 8896^2 .

It is a cyclic number.

It is not a de Polignac number, because 241166257 - 2²⁷ = 106948529 is a prime.

It is a super-2 number, since 2×241166257² = 116322327030780098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (241166957) 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, 120583128 + 120583129.

It is an arithmetic number, because the mean of its divisors is an integer number (120583129).

Almost surely, 2^241166257 is an apocalyptic number.

It is an amenable number.

241166257 is a deficient number, since it is larger than the sum of its proper divisors (1).

241166257 is an equidigital number, since it uses as much as digits as its factorization.

241166257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 241166257 is about 15529.5285504744. The cubic root of 241166257 is about 622.4514949599.

The spelling of 241166257 in words is "two hundred forty-one million, one hundred sixty-six thousand, two hundred fifty-seven".