4250540641 has 2 divisors, whose sum is σ = 4250540642. Its totient is φ = 4250540640.

The previous prime is 4250540633. The next prime is 4250540663. The reversal of 4250540641 is 1460450524.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3761246241 + 489294400 = 61329^2 + 22120^2 .

It is a cyclic number.

It is not a de Polignac number, because 4250540641 - 2³ = 4250540633 is a prime.

It is not a weakly prime, because it can be changed into another prime (4250540681) 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, 2125270320 + 2125270321.

It is an arithmetic number, because the mean of its divisors is an integer number (2125270321).

Almost surely, 2^4250540641 is an apocalyptic number.

It is an amenable number.

4250540641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4250540641 is an equidigital number, since it uses as much as digits as its factorization.

4250540641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 4250540641 is about 65196.1704473507. The cubic root of 4250540641 is about 1619.8745827055.

The spelling of 4250540641 in words is "four billion, two hundred fifty million, five hundred forty thousand, six hundred forty-one".