1562161 has 4 divisors (see below), whose sum is σ = 1644400. Its totient is φ = 1479924.

The previous prime is 1562159. The next prime is 1562173. The reversal of 1562161 is 1612651.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1612651 = 31 ⋅52021.

It is a cyclic number.

It is not a de Polignac number, because 1562161 - 2¹ = 1562159 is a prime.

It is a Duffinian number.

1562161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1562101) 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, 41091 + ... + 41128.

It is an arithmetic number, because the mean of its divisors is an integer number (411100).

2^1562161 is an apocalyptic number.

It is an amenable number.

1562161 is a deficient number, since it is larger than the sum of its proper divisors (82239).

1562161 is an equidigital number, since it uses as much as digits as its factorization.

1562161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82238.

The product of its digits is 360, while the sum is 22.

The square root of 1562161 is about 1249.8643926443. The cubic root of 1562161 is about 116.0313282407.

The spelling of 1562161 in words is "one million, five hundred sixty-two thousand, one hundred sixty-one".