562161 has 4 divisors (see below), whose sum is σ = 749552. Its totient is φ = 374772.

The previous prime is 562147. The next prime is 562169. The reversal of 562161 is 161265.

It is a happy number.

562161 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 562161 - 2⁵ = 562129 is a prime.

It is a D-number.

It is a Duffinian number.

562161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (562169) 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, 93691 + ... + 93696.

It is an arithmetic number, because the mean of its divisors is an integer number (187388).

2⁵⁶²¹⁶¹ is an apocalyptic number.

It is an amenable number.

562161 is a deficient number, since it is larger than the sum of its proper divisors (187391).

562161 is a wasteful number, since it uses less digits than its factorization.

562161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187390.

The product of its digits is 360, while the sum is 21.

The square root of 562161 is about 749.7739659391. The cubic root of 562161 is about 82.5315948775.

The spelling of 562161 in words is "five hundred sixty-two thousand, one hundred sixty-one".