2245360521 has 4 divisors (see below), whose sum is σ = 2993814032. Its totient is φ = 1496907012.

The previous prime is 2245360519. The next prime is 2245360543. The reversal of 2245360521 is 1250635422.

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 not a de Polignac number, because 2245360521 - 2¹ = 2245360519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245360021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374226751 + ... + 374226756.

It is an arithmetic number, because the mean of its divisors is an integer number (748453508).

Almost surely, 2^2245360521 is an apocalyptic number.

It is an amenable number.

2245360521 is a deficient number, since it is larger than the sum of its proper divisors (748453511).

2245360521 is an equidigital number, since it uses as much as digits as its factorization.

2245360521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748453510.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2245360521 is about 47385.2352637401. The cubic root of 2245360521 is about 1309.4694199628.

Adding to 2245360521 its reverse (1250635422), we get a palindrome (3495995943).

The spelling of 2245360521 in words is "two billion, two hundred forty-five million, three hundred sixty thousand, five hundred twenty-one".