1875161 has 2 divisors, whose sum is σ = 1875162. Its totient is φ = 1875160.

The previous prime is 1875149. The next prime is 1875163. The reversal of 1875161 is 1615781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1537600 + 337561 = 1240^2 + 581^2 .

It is an emirp because it is prime and its reverse (1615781) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1875161 is a prime.

It is a Sophie Germain prime.

Together with 1875163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1875163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937580 + 937581.

It is an arithmetic number, because the mean of its divisors is an integer number (937581).

2^1875161 is an apocalyptic number.

It is an amenable number.

1875161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1875161 is an equidigital number, since it uses as much as digits as its factorization.

1875161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 29.

The square root of 1875161 is about 1369.3651813888. The cubic root of 1875161 is about 123.3141330390.

The spelling of 1875161 in words is "one million, eight hundred seventy-five thousand, one hundred sixty-one".