4145250997 has 2 divisors, whose sum is σ = 4145250998. Its totient is φ = 4145250996.

The previous prime is 4145250979. The next prime is 4145251009. The reversal of 4145250997 is 7990525414.

Together with previous prime (4145250979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4067123076 + 78127921 = 63774^2 + 8839^2 .

It is a cyclic number.

It is not a de Polignac number, because 4145250997 - 2¹⁵ = 4145218229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4145250937) 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, 2072625498 + 2072625499.

It is an arithmetic number, because the mean of its divisors is an integer number (2072625499).

Almost surely, 2^4145250997 is an apocalyptic number.

It is an amenable number.

4145250997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145250997 is an equidigital number, since it uses as much as digits as its factorization.

4145250997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 4145250997 is about 64383.6236709305. The cubic root of 4145250997 is about 1606.3873573443.

The spelling of 4145250997 in words is "four billion, one hundred forty-five million, two hundred fifty thousand, nine hundred ninety-seven".