2241521413 has 4 divisors (see below), whose sum is σ = 2241618028. Its totient is φ = 2241424800.

The previous prime is 2241521411. The next prime is 2241521423. The reversal of 2241521413 is 3141251422.

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: 3141251422 = 2 ⋅1570625711.

It can be written as a sum of positive squares in 2 ways, for example, as 1152059364 + 1089462049 = 33942^2 + 33007^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241521413 - 2¹ = 2241521411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2241521411) 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, 9763 + ... + 67663.

It is an arithmetic number, because the mean of its divisors is an integer number (560404507).

Almost surely, 2^2241521413 is an apocalyptic number.

It is an amenable number.

2241521413 is a deficient number, since it is larger than the sum of its proper divisors (96615).

2241521413 is an equidigital number, since it uses as much as digits as its factorization.

2241521413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96614.

The product of its digits is 1920, while the sum is 25.

The square root of 2241521413 is about 47344.7083949199. The cubic root of 2241521413 is about 1308.7226857729.

Adding to 2241521413 its reverse (3141251422), we get a palindrome (5382772835).

The spelling of 2241521413 in words is "two billion, two hundred forty-one million, five hundred twenty-one thousand, four hundred thirteen".