2025221345 has 8 divisors (see below), whose sum is σ = 2777446464. Its totient is φ = 1388723184.

The previous prime is 2025221311. The next prime is 2025221357. The reversal of 2025221345 is 5431225202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2025221345 - 2⁸ = 2025221089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28931699 + ... + 28931768.

It is an arithmetic number, because the mean of its divisors is an integer number (347180808).

Almost surely, 2^2025221345 is an apocalyptic number.

It is an amenable number.

2025221345 is a deficient number, since it is larger than the sum of its proper divisors (752225119).

2025221345 is an equidigital number, since it uses as much as digits as its factorization.

2025221345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57863479.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2025221345 is about 45002.4593216860. The cubic root of 2025221345 is about 1265.1950924715.

Adding to 2025221345 its reverse (5431225202), we get a palindrome (7456446547).

The spelling of 2025221345 in words is "two billion, twenty-five million, two hundred twenty-one thousand, three hundred forty-five".