4163005261 has 2 divisors, whose sum is σ = 4163005262. Its totient is φ = 4163005260.

The previous prime is 4163005247. The next prime is 4163005333. The reversal of 4163005261 is 1625003614.

4163005261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3634281225 + 528724036 = 60285^2 + 22994^2 .

It is a cyclic number.

It is not a de Polignac number, because 4163005261 - 2⁹ = 4163004749 is a prime.

It is a super-2 number, since 2×4163005261² = 34661225606227356242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4163005661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2081502630 + 2081502631.

It is an arithmetic number, because the mean of its divisors is an integer number (2081502631).

Almost surely, 2^4163005261 is an apocalyptic number.

It is an amenable number.

4163005261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4163005261 is an equidigital number, since it uses as much as digits as its factorization.

4163005261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4163005261 is about 64521.3550772146. The cubic root of 4163005261 is about 1608.6774964401.

Adding to 4163005261 its reverse (1625003614), we get a palindrome (5788008875).

The spelling of 4163005261 in words is "four billion, one hundred sixty-three million, five thousand, two hundred sixty-one".