10405019 has 2 divisors, whose sum is σ = 10405020. Its totient is φ = 10405018.

The previous prime is 10404991. The next prime is 10405049. The reversal of 10405019 is 91050401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10405019 is a prime.

It is a super-2 number, since 2×10405019² = 216528840780722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10405049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5202509 + 5202510.

It is an arithmetic number, because the mean of its divisors is an integer number (5202510).

Almost surely, 2^10405019 is an apocalyptic number.

10405019 is a deficient number, since it is larger than the sum of its proper divisors (1).

10405019 is an equidigital number, since it uses as much as digits as its factorization.

10405019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 10405019 is about 3225.6811683736. The cubic root of 10405019 is about 218.3136844324.

The spelling of 10405019 in words is "ten million, four hundred five thousand, nineteen".