241513 has 2 divisors, whose sum is σ = 241514. Its totient is φ = 241512.

The previous prime is 241511. The next prime is 241517. The reversal of 241513 is 315142.

241513 = 347² + 348².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121104 + 120409 = 348^2 + 347^2 .

It is a cyclic number.

It is not a de Polignac number, because 241513 - 2¹ = 241511 is a prime.

Together with 241511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (241511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120756 + 120757.

It is an arithmetic number, because the mean of its divisors is an integer number (120757).

2²⁴¹⁵¹³ is an apocalyptic number.

241513 is the 348-th centered square number.

It is an amenable number.

241513 is a deficient number, since it is larger than the sum of its proper divisors (1).

241513 is an equidigital number, since it uses as much as digits as its factorization.

241513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 16.

The square root of 241513 is about 491.4397216343. The cubic root of 241513 is about 62.2749667329.

Adding to 241513 its reverse (315142), we get a palindrome (556655).

The spelling of 241513 in words is "two hundred forty-one thousand, five hundred thirteen".