2945057 has 4 divisors (see below), whose sum is σ = 3100080. Its totient is φ = 2790036.

The previous prime is 2945021. The next prime is 2945069. The reversal of 2945057 is 7505492.

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 not a de Polignac number, because 2945057 - 2¹⁶ = 2879521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2945857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77483 + ... + 77520.

It is an arithmetic number, because the mean of its divisors is an integer number (775020).

2^2945057 is an apocalyptic number.

It is an amenable number.

2945057 is a deficient number, since it is larger than the sum of its proper divisors (155023).

2945057 is a wasteful number, since it uses less digits than its factorization.

2945057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155022.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2945057 is about 1716.1168375143. The cubic root of 2945057 is about 143.3390653317.

The spelling of 2945057 in words is "two million, nine hundred forty-five thousand, fifty-seven".