10105489 has 2 divisors, whose sum is σ = 10105490. Its totient is φ = 10105488.

The previous prime is 10105483. The next prime is 10105507. The reversal of 10105489 is 98450101.

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., 7333264 + 2772225 = 2708^2 + 1665^2 .

It is a cyclic number.

It is not a de Polignac number, because 10105489 - 2³ = 10105481 is a prime.

It is not a weakly prime, because it can be changed into another prime (10105481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052744 + 5052745.

It is an arithmetic number, because the mean of its divisors is an integer number (5052745).

Almost surely, 2^10105489 is an apocalyptic number.

It is an amenable number.

10105489 is a deficient number, since it is larger than the sum of its proper divisors (1).

10105489 is an equidigital number, since it uses as much as digits as its factorization.

10105489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 10105489 is about 3178.9131790598. The cubic root of 10105489 is about 216.1983845538.

The spelling of 10105489 in words is "ten million, one hundred five thousand, four hundred eighty-nine".