241256881 has 2 divisors, whose sum is σ = 241256882. Its totient is φ = 241256880.

The previous prime is 241256857. The next prime is 241256893. The reversal of 241256881 is 188652142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130165281 + 111091600 = 11409^2 + 10540^2 .

It is a cyclic number.

It is not a de Polignac number, because 241256881 - 2⁷ = 241256753 is a prime.

It is a super-2 number, since 2×241256881² = 116409765259696322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 241256881.

It is not a weakly prime, because it can be changed into another prime (241256801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120628440 + 120628441.

It is an arithmetic number, because the mean of its divisors is an integer number (120628441).

Almost surely, 2^241256881 is an apocalyptic number.

It is an amenable number.

241256881 is a deficient number, since it is larger than the sum of its proper divisors (1).

241256881 is an equidigital number, since it uses as much as digits as its factorization.

241256881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 37.

The square root of 241256881 is about 15532.4460726571. The cubic root of 241256881 is about 622.5294522175.

It can be divided in two parts, 24 and 1256881, that added together give a triangular number (1256905 = T₁₅₈₅).

The spelling of 241256881 in words is "two hundred forty-one million, two hundred fifty-six thousand, eight hundred eighty-one".