2125701397 has 2 divisors, whose sum is σ = 2125701398. Its totient is φ = 2125701396.

The previous prime is 2125701371. The next prime is 2125701481. The reversal of 2125701397 is 7931075212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1681082001 + 444619396 = 41001^2 + 21086^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125701397 - 2¹¹ = 2125699349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125701317) 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 as a sum of consecutive naturals, namely, 1062850698 + 1062850699.

It is an arithmetic number, because the mean of its divisors is an integer number (1062850699).

Almost surely, 2^2125701397 is an apocalyptic number.

It is an amenable number.

2125701397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125701397 is an equidigital number, since it uses as much as digits as its factorization.

2125701397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 2125701397 is about 46105.3293774158. The cubic root of 2125701397 is about 1285.7822299020.

The spelling of 2125701397 in words is "two billion, one hundred twenty-five million, seven hundred one thousand, three hundred ninety-seven".