2321125251 has 32 divisors (see below), whose sum is σ = 3281160960. Its totient is φ = 1457702400.

The previous prime is 2321125237. The next prime is 2321125283. The reversal of 2321125251 is 1525211232.

It is not a de Polignac number, because 2321125251 - 2²² = 2316930947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2321125231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468256 + ... + 473186.

It is an arithmetic number, because the mean of its divisors is an integer number (102536280).

Almost surely, 2^2321125251 is an apocalyptic number.

2321125251 is a deficient number, since it is larger than the sum of its proper divisors (960035709).

2321125251 is a wasteful number, since it uses less digits than its factorization.

2321125251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107.

The product of its digits is 1200, while the sum is 24.

The square root of 2321125251 is about 48178.0577752985. The cubic root of 2321125251 is about 1324.0351824713.

Adding to 2321125251 its reverse (1525211232), we get a palindrome (3846336483).

The spelling of 2321125251 in words is "two billion, three hundred twenty-one million, one hundred twenty-five thousand, two hundred fifty-one".