2957189 has 2 divisors, whose sum is σ = 2957190. Its totient is φ = 2957188.

The previous prime is 2957177. The next prime is 2957191. The reversal of 2957189 is 9817592.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1844164 + 1113025 = 1358^2 + 1055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2957189 is a prime.

Together with 2957191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2957389) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1478594 + 1478595.

It is an arithmetic number, because the mean of its divisors is an integer number (1478595).

2^2957189 is an apocalyptic number.

It is an amenable number.

2957189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2957189 is an equidigital number, since it uses as much as digits as its factorization.

2957189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 41.

The square root of 2957189 is about 1719.6479290832. The cubic root of 2957189 is about 143.5356214708.

The spelling of 2957189 in words is "two million, nine hundred fifty-seven thousand, one hundred eighty-nine".