106365505 has 4 divisors (see below), whose sum is σ = 127638612. Its totient is φ = 85092400.

The previous prime is 106365503. The next prime is 106365509. The reversal of 106365505 is 505563601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12895281 + 93470224 = 3591^2 + 9668^2 .

It is not a de Polignac number, because 106365505 - 2¹ = 106365503 is a prime.

It is a super-2 number, since 2×106365505² = 22627241307810050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106365503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10636546 + ... + 10636555.

It is an arithmetic number, because the mean of its divisors is an integer number (31909653).

Almost surely, 2^106365505 is an apocalyptic number.

It is an amenable number.

106365505 is a deficient number, since it is larger than the sum of its proper divisors (21273107).

106365505 is an equidigital number, since it uses as much as digits as its factorization.

106365505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21273106.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 106365505 is about 10313.3653576318. The cubic root of 106365505 is about 473.8056865826.

The spelling of 106365505 in words is "one hundred six million, three hundred sixty-five thousand, five hundred five".