241515161 has 4 divisors (see below), whose sum is σ = 249843300. Its totient is φ = 233187024.

The previous prime is 241515151. The next prime is 241515163. The reversal of 241515161 is 161515142.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74304400 + 167210761 = 8620^2 + 12931^2 .

It is a cyclic number.

It is not a de Polignac number, because 241515161 - 2¹⁸ = 241253017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 241515161.

It is not an unprimeable number, because it can be changed into a prime (241515163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4164026 + ... + 4164083.

It is an arithmetic number, because the mean of its divisors is an integer number (62460825).

Almost surely, 2^241515161 is an apocalyptic number.

It is an amenable number.

241515161 is a deficient number, since it is larger than the sum of its proper divisors (8328139).

241515161 is an equidigital number, since it uses as much as digits as its factorization.

241515161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8328138.

The product of its digits is 1200, while the sum is 26.

The square root of 241515161 is about 15540.7580574437. The cubic root of 241515161 is about 622.7515247279.

It can be divided in two parts, 2415 and 15161, that added together give a cube (17576 = 26³).

The spelling of 241515161 in words is "two hundred forty-one million, five hundred fifteen thousand, one hundred sixty-one".