2957109 has 4 divisors (see below), whose sum is σ = 3942816. Its totient is φ = 1971404.

The previous prime is 2957107. The next prime is 2957111. The reversal of 2957109 is 9017592.

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.

It is an interprime number because it is at equal distance from previous prime (2957107) and next prime (2957111).

It is a cyclic number.

It is not a de Polignac number, because 2957109 - 2¹ = 2957107 is a prime.

It is a D-number.

2957109 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2957109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2957107) 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 in 3 ways as a sum of consecutive naturals, for example, 492849 + ... + 492854.

It is an arithmetic number, because the mean of its divisors is an integer number (985704).

2^2957109 is an apocalyptic number.

It is an amenable number.

2957109 is a deficient number, since it is larger than the sum of its proper divisors (985707).

2957109 is an equidigital number, since it uses as much as digits as its factorization.

2957109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985706.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 2957109 is about 1719.6246683506. The cubic root of 2957109 is about 143.5343271163.

The spelling of 2957109 in words is "two million, nine hundred fifty-seven thousand, one hundred nine".