105662013 has 4 divisors (see below), whose sum is σ = 140882688. Its totient is φ = 70441340.

The previous prime is 105661991. The next prime is 105662017. The reversal of 105662013 is 310266501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310266501 = 3 ⋅103422167.

It is a cyclic number.

It is not a de Polignac number, because 105662013 - 2⁶ = 105661949 is a prime.

It is a super-2 number, since 2×105662013² = 22328921982424338, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105662017) 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 in 3 ways as a sum of consecutive naturals, for example, 17610333 + ... + 17610338.

It is an arithmetic number, because the mean of its divisors is an integer number (35220672).

Almost surely, 2^105662013 is an apocalyptic number.

It is an amenable number.

105662013 is a deficient number, since it is larger than the sum of its proper divisors (35220675).

105662013 is an equidigital number, since it uses as much as digits as its factorization.

105662013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35220674.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 105662013 is about 10279.2029360257. The cubic root of 105662013 is about 472.7588056147.

The spelling of 105662013 in words is "one hundred five million, six hundred sixty-two thousand, thirteen".