162361 has 4 divisors (see below), whose sum is σ = 163300. Its totient is φ = 161424.

The previous prime is 162359. The next prime is 162389. The reversal of 162361 is 163261.

It is the 165-th star number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 90000 + 72361 = 300^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 162361 - 2¹ = 162359 is a prime.

It is a super-2 number, since 2×162361² = 52722188642, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162391) 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, 126 + ... + 583.

It is an arithmetic number, because the mean of its divisors is an integer number (40825).

2¹⁶²³⁶¹ is an apocalyptic number.

It is an amenable number.

162361 is a deficient number, since it is larger than the sum of its proper divisors (939).

162361 is an equidigital number, since it uses as much as digits as its factorization.

162361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938.

The product of its digits is 216, while the sum is 19.

The square root of 162361 is about 402.9404422492. The cubic root of 162361 is about 54.5540803698.

Subtracting 162361 from its reverse (163261), we obtain a square (900 = 30²).

The spelling of 162361 in words is "one hundred sixty-two thousand, three hundred sixty-one".