2125405237 has 2 divisors, whose sum is σ = 2125405238. Its totient is φ = 2125405236.

The previous prime is 2125405213. The next prime is 2125405253. The reversal of 2125405237 is 7325045212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1586747556 + 538657681 = 39834^2 + 23209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125405237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2125405199 and 2125405208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125405207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062702618 + 1062702619.

It is an arithmetic number, because the mean of its divisors is an integer number (1062702619).

Almost surely, 2^2125405237 is an apocalyptic number.

It is an amenable number.

2125405237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125405237 is an equidigital number, since it uses as much as digits as its factorization.

2125405237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 2125405237 is about 46102.1174893301. The cubic root of 2125405237 is about 1285.7225139338.

The spelling of 2125405237 in words is "two billion, one hundred twenty-five million, four hundred five thousand, two hundred thirty-seven".