105342719 has 2 divisors, whose sum is σ = 105342720. Its totient is φ = 105342718.

The previous prime is 105342709. The next prime is 105342739. The reversal of 105342719 is 917243501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105342719 is a prime.

It is a super-2 number, since 2×105342719² = 22194176892625922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105342709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52671359 + 52671360.

It is an arithmetic number, because the mean of its divisors is an integer number (52671360).

Almost surely, 2^105342719 is an apocalyptic number.

105342719 is a deficient number, since it is larger than the sum of its proper divisors (1).

105342719 is an equidigital number, since it uses as much as digits as its factorization.

105342719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 105342719 is about 10263.6601171317. The cubic root of 105342719 is about 472.2821241986.

The spelling of 105342719 in words is "one hundred five million, three hundred forty-two thousand, seven hundred nineteen".