241522681 has 3 divisors (see below), whose sum is σ = 241538223. Its totient is φ = 241507140.

The previous prime is 241522679. The next prime is 241522693. The reversal of 241522681 is 186225142.

The square root of 241522681 is 15541.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 186225142 = 2 ⋅93112571.

It can be written as a sum of positive squares in only one way, i.e., 188815081 + 52707600 = 13741^2 + 7260^2 .

It is not a de Polignac number, because 241522681 - 2¹ = 241522679 is a prime.

It is a super-2 number, since 2×241522681² = 116666410874855522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241522651) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7771 + ... + 23311.

It is an arithmetic number, because the mean of its divisors is an integer number (80512741).

Almost surely, 2^241522681 is an apocalyptic number.

241522681 is the 15541-st square number.

241522681 is the 7771-st centered octagonal number.

It is an amenable number.

241522681 is a deficient number, since it is larger than the sum of its proper divisors (15542).

241522681 is an frugal number, since it uses more digits than its factorization.

241522681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31082 (or 15541 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The cubic root of 241522681 is about 622.7579881494.

The spelling of 241522681 in words is "two hundred forty-one million, five hundred twenty-two thousand, six hundred eighty-one".