241261 has 2 divisors, whose sum is σ = 241262. Its totient is φ = 241260.

The previous prime is 241259. The next prime is 241271. The reversal of 241261 is 162142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145161 + 96100 = 381^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 241261 - 2¹ = 241259 is a prime.

Together with 241259, it forms a pair of twin primes.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120630 + 120631.

It is an arithmetic number, because the mean of its divisors is an integer number (120631).

2²⁴¹²⁶¹ is an apocalyptic number.

It is an amenable number.

241261 is a deficient number, since it is larger than the sum of its proper divisors (1).

241261 is an equidigital number, since it uses as much as digits as its factorization.

241261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 16.

The square root of 241261 is about 491.1832651872. The cubic root of 241261 is about 62.2532995031.

Subtracting from 241261 its product of digits (96), we obtain a triangular number (241165 = T₆₉₄).

The spelling of 241261 in words is "two hundred forty-one thousand, two hundred sixty-one".