162505353 has 4 divisors (see below), whose sum is σ = 216673808. Its totient is φ = 108336900.

The previous prime is 162505349. The next prime is 162505381. The reversal of 162505353 is 353505261.

162505353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 162505353 - 2² = 162505349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162505353.

It is not an unprimeable number, because it can be changed into a prime (162505303) 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, 27084223 + ... + 27084228.

It is an arithmetic number, because the mean of its divisors is an integer number (54168452).

Almost surely, 2^162505353 is an apocalyptic number.

It is an amenable number.

162505353 is a deficient number, since it is larger than the sum of its proper divisors (54168455).

162505353 is an equidigital number, since it uses as much as digits as its factorization.

162505353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54168454.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 162505353 is about 12747.7587441872. The cubic root of 162505353 is about 545.7024334915.

It can be divided in two parts, 162 and 505353, that added together give a triangular number (505515 = T₁₀₀₅).

The spelling of 162505353 in words is "one hundred sixty-two million, five hundred five thousand, three hundred fifty-three".