165252635 has 4 divisors (see below), whose sum is σ = 198303168. Its totient is φ = 132202104.

The previous prime is 165252629. The next prime is 165252641. The reversal of 165252635 is 536252561.

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

It is an interprime number because it is at equal distance from previous prime (165252629) and next prime (165252641).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165252635 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165252595 and 165252604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16525259 + ... + 16525268.

It is an arithmetic number, because the mean of its divisors is an integer number (49575792).

Almost surely, 2^165252635 is an apocalyptic number.

165252635 is a deficient number, since it is larger than the sum of its proper divisors (33050533).

165252635 is an equidigital number, since it uses as much as digits as its factorization.

165252635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33050532.

The product of its digits is 54000, while the sum is 35.

The square root of 165252635 is about 12855.0626213955. The cubic root of 165252635 is about 548.7604426176.

It can be divided in two parts, 1652526 and 35, that added together give a palindrome (1652561).

The spelling of 165252635 in words is "one hundred sixty-five million, two hundred fifty-two thousand, six hundred thirty-five".