10105261 has 2 divisors, whose sum is σ = 10105262. Its totient is φ = 10105260.

The previous prime is 10105247. The next prime is 10105267. The reversal of 10105261 is 16250101.

It is a happy number.

10105261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9455625 + 649636 = 3075^2 + 806^2 .

It is a cyclic number.

It is not a de Polignac number, because 10105261 - 2⁷ = 10105133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10105267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052630 + 5052631.

It is an arithmetic number, because the mean of its divisors is an integer number (5052631).

Almost surely, 2^10105261 is an apocalyptic number.

It is an amenable number.

10105261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10105261 is an equidigital number, since it uses as much as digits as its factorization.

10105261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 10105261 is about 3178.8773175447. The cubic root of 10105261 is about 216.1967585859.

Adding to 10105261 its reverse (16250101), we get a palindrome (26355362).

The spelling of 10105261 in words is "ten million, one hundred five thousand, two hundred sixty-one".