241393021 has 2 divisors, whose sum is σ = 241393022. Its totient is φ = 241393020.

The previous prime is 241392947. The next prime is 241393037. The reversal of 241393021 is 120393142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233631225 + 7761796 = 15285^2 + 2786^2 .

It is a cyclic number.

It is not a de Polignac number, because 241393021 - 2¹⁵ = 241360253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241393051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120696510 + 120696511.

It is an arithmetic number, because the mean of its divisors is an integer number (120696511).

Almost surely, 2^241393021 is an apocalyptic number.

It is an amenable number.

241393021 is a deficient number, since it is larger than the sum of its proper divisors (1).

241393021 is an equidigital number, since it uses as much as digits as its factorization.

241393021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 241393021 is about 15536.8278937497. The cubic root of 241393021 is about 622.6465269067.

The spelling of 241393021 in words is "two hundred forty-one million, three hundred ninety-three thousand, twenty-one".