10105819 has 2 divisors, whose sum is σ = 10105820. Its totient is φ = 10105818.

The previous prime is 10105801. The next prime is 10105841. The reversal of 10105819 is 91850101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10105819 - 2¹³ = 10097627 is a prime.

It is a super-2 number, since 2×10105819² = 204255155321522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10105793 and 10105802.

It is not a weakly prime, because it can be changed into another prime (10105859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052909 + 5052910.

It is an arithmetic number, because the mean of its divisors is an integer number (5052910).

Almost surely, 2^10105819 is an apocalyptic number.

10105819 is a deficient number, since it is larger than the sum of its proper divisors (1).

10105819 is an equidigital number, since it uses as much as digits as its factorization.

10105819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 10105819 is about 3178.9650831678. The cubic root of 10105819 is about 216.2007378851.

The spelling of 10105819 in words is "ten million, one hundred five thousand, eight hundred nineteen".