2304245521 has 4 divisors (see below), whose sum is σ = 2312748544. Its totient is φ = 2295742500.

The previous prime is 2304245513. The next prime is 2304245527. The reversal of 2304245521 is 1255424032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2304245521 - 2³ = 2304245513 is a prime.

It is a super-2 number, since 2×2304245521² = 10619094842097122882, which contains 22 as substring.

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 2304245521.

It is not an unprimeable number, because it can be changed into a prime (2304245527) 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, 4251105 + ... + 4251646.

It is an arithmetic number, because the mean of its divisors is an integer number (578187136).

Almost surely, 2^2304245521 is an apocalyptic number.

It is an amenable number.

2304245521 is a deficient number, since it is larger than the sum of its proper divisors (8503023).

2304245521 is an equidigital number, since it uses as much as digits as its factorization.

2304245521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503022.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2304245521 is about 48002.5574422863. The cubic root of 2304245521 is about 1320.8178129656.

Adding to 2304245521 its reverse (1255424032), we get a palindrome (3559669553).

The spelling of 2304245521 in words is "two billion, three hundred four million, two hundred forty-five thousand, five hundred twenty-one".