2300448521 has 10 divisors (see below), whose sum is σ = 2683699722. Its totient is φ = 1971810960.

The previous prime is 2300448497. The next prime is 2300448539. The reversal of 2300448521 is 1258440032.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2235871225 + 64577296 = 47285^2 + 8036^2 .

It is not a de Polignac number, because 2300448521 - 2³⁰ = 1226706697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2300448571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 476660 + ... + 481461.

Almost surely, 2^2300448521 is an apocalyptic number.

It is an amenable number.

2300448521 is a deficient number, since it is larger than the sum of its proper divisors (383251201).

2300448521 is an frugal number, since it uses more digits than its factorization.

2300448521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958149 (or 958128 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 2300448521 is about 47962.9911598516. The cubic root of 2300448521 is about 1320.0919206343.

Adding to 2300448521 its reverse (1258440032), we get a palindrome (3558888553).

The spelling of 2300448521 in words is "two billion, three hundred million, four hundred forty-eight thousand, five hundred twenty-one".