2241607521 has 16 divisors (see below), whose sum is σ = 3030130944. Its totient is φ = 1473868944.

The previous prime is 2241607507. The next prime is 2241607523. The reversal of 2241607521 is 1257061422.

It is not a de Polignac number, because 2241607521 - 2¹⁴ = 2241591137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2241607523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57486 + ... + 88248.

It is an arithmetic number, because the mean of its divisors is an integer number (189383184).

Almost surely, 2^2241607521 is an apocalyptic number.

It is an amenable number.

2241607521 is a deficient number, since it is larger than the sum of its proper divisors (788523423).

2241607521 is a wasteful number, since it uses less digits than its factorization.

2241607521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31100.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2241607521 is about 47345.6177591971. The cubic root of 2241607521 is about 1308.7394437435.

Adding to 2241607521 its reverse (1257061422), we get a palindrome (3498668943).

The spelling of 2241607521 in words is "two billion, two hundred forty-one million, six hundred seven thousand, five hundred twenty-one".