2051241321 has 8 divisors (see below), whose sum is σ = 2735204544. Its totient is φ = 1367386160.

The previous prime is 2051241317. The next prime is 2051241323. The reversal of 2051241321 is 1231421502.

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 2051241321 - 2² = 2051241317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2051241323) 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 7 ways as a sum of consecutive naturals, for example, 43795 + ... + 77591.

It is an arithmetic number, because the mean of its divisors is an integer number (341900568).

Almost surely, 2^2051241321 is an apocalyptic number.

It is an amenable number.

2051241321 is a deficient number, since it is larger than the sum of its proper divisors (683963223).

2051241321 is a wasteful number, since it uses less digits than its factorization.

2051241321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54031.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2051241321 is about 45290.6317134129. The cubic root of 2051241321 is about 1270.5904463029.

Adding to 2051241321 its reverse (1231421502), we get a palindrome (3282662823).

The spelling of 2051241321 in words is "two billion, fifty-one million, two hundred forty-one thousand, three hundred twenty-one".