2125454417 has 2 divisors, whose sum is σ = 2125454418. Its totient is φ = 2125454416.

The previous prime is 2125454327. The next prime is 2125454423. The reversal of 2125454417 is 7144545212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2079268801 + 46185616 = 45599^2 + 6796^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125454417 - 2⁸ = 2125454161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2125454447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062727208 + 1062727209.

It is an arithmetic number, because the mean of its divisors is an integer number (1062727209).

Almost surely, 2^2125454417 is an apocalyptic number.

It is an amenable number.

2125454417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125454417 is an equidigital number, since it uses as much as digits as its factorization.

2125454417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44800, while the sum is 35.

The square root of 2125454417 is about 46102.6508673851. The cubic root of 2125454417 is about 1285.7324306851.

Adding to 2125454417 its reverse (7144545212), we get a palindrome (9269999629).

The spelling of 2125454417 in words is "two billion, one hundred twenty-five million, four hundred fifty-four thousand, four hundred seventeen".