2125056361 has 2 divisors, whose sum is σ = 2125056362. Its totient is φ = 2125056360.

The previous prime is 2125056337. The next prime is 2125056379. The reversal of 2125056361 is 1636505212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1644789136 + 480267225 = 40556^2 + 21915^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125056361 - 2⁷ = 2125056233 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (2125056391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062528180 + 1062528181.

It is an arithmetic number, because the mean of its divisors is an integer number (1062528181).

Almost surely, 2^2125056361 is an apocalyptic number.

It is an amenable number.

2125056361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125056361 is an equidigital number, since it uses as much as digits as its factorization.

2125056361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2125056361 is about 46098.3336032877. Note that the first 3 decimals coincide. The cubic root of 2125056361 is about 1285.6521615033.

The spelling of 2125056361 in words is "two billion, one hundred twenty-five million, fifty-six thousand, three hundred sixty-one".