2241052721 has 2 divisors, whose sum is σ = 2241052722. Its totient is φ = 2241052720.

The previous prime is 2241052703. The next prime is 2241052757. The reversal of 2241052721 is 1272501422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1828759696 + 412293025 = 42764^2 + 20305^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241052721 - 2²² = 2236858417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2241052321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120526360 + 1120526361.

It is an arithmetic number, because the mean of its divisors is an integer number (1120526361).

Almost surely, 2^2241052721 is an apocalyptic number.

It is an amenable number.

2241052721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2241052721 is an equidigital number, since it uses as much as digits as its factorization.

2241052721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2241052721 is about 47339.7583538404. The cubic root of 2241052721 is about 1308.6314634143.

The spelling of 2241052721 in words is "two billion, two hundred forty-one million, fifty-two thousand, seven hundred twenty-one".