2975689 has 2 divisors, whose sum is σ = 2975690. Its totient is φ = 2975688.

The previous prime is 2975683. The next prime is 2975741. The reversal of 2975689 is 9865792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2975625 + 64 = 1725^2 + 8^2 .

It is a cyclic number.

It is not a de Polignac number, because 2975689 - 2¹⁹ = 2451401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2975683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1487844 + 1487845.

It is an arithmetic number, because the mean of its divisors is an integer number (1487845).

2^2975689 is an apocalyptic number.

It is an amenable number.

2975689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2975689 is an equidigital number, since it uses as much as digits as its factorization.

2975689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 2975689 is about 1725.0185506249. The cubic root of 2975689 is about 143.8343162563.

The spelling of 2975689 in words is "two million, nine hundred seventy-five thousand, six hundred eighty-nine".