1675161 has 10 divisors (see below), whose sum is σ = 2502522. Its totient is φ = 1116720.

The previous prime is 1675139. The next prime is 1675181. The reversal of 1675161 is 1615761.

It can be written as a sum of positive squares in only one way, i.e., 1089936 + 585225 = 1044^2 + 765^2 .

It is not a de Polignac number, because 1675161 - 2⁹ = 1674649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1675111) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10260 + ... + 10421.

2^1675161 is an apocalyptic number.

It is an amenable number.

1675161 is a deficient number, since it is larger than the sum of its proper divisors (827361).

1675161 is an equidigital number, since it uses as much as digits as its factorization.

1675161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20693 (or 20684 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 1675161 is about 1294.2801087863. The cubic root of 1675161 is about 118.7641918403.

The spelling of 1675161 in words is "one million, six hundred seventy-five thousand, one hundred sixty-one".