3025945921 has 4 divisors (see below), whose sum is σ = 3077233200. Its totient is φ = 2974658644.

The previous prime is 3025945843. The next prime is 3025945933. The reversal of 3025945921 is 1295495203.

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 a de Polignac number, because none of the positive numbers 2^k-3025945921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3025945421) 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 3 ways as a sum of consecutive naturals, for example, 25643551 + ... + 25643668.

It is an arithmetic number, because the mean of its divisors is an integer number (769308300).

Almost surely, 2^3025945921 is an apocalyptic number.

It is an amenable number.

3025945921 is a deficient number, since it is larger than the sum of its proper divisors (51287279).

3025945921 is an equidigital number, since it uses as much as digits as its factorization.

3025945921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51287278.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 3025945921 is about 55008.5986096719. The cubic root of 3025945921 is about 1446.3954736389.

The spelling of 3025945921 in words is "three billion, twenty-five million, nine hundred forty-five thousand, nine hundred twenty-one".