2657145 has 16 divisors (see below), whose sum is σ = 4343040. Its totient is φ = 1386624.

The previous prime is 2657143. The next prime is 2657159. The reversal of 2657145 is 5417562.

2657145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2657145 - 2¹ = 2657143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2657143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180 + ... + 2589.

It is an arithmetic number, because the mean of its divisors is an integer number (271440).

2^2657145 is an apocalyptic number.

It is an amenable number.

2657145 is a deficient number, since it is larger than the sum of its proper divisors (1685895).

2657145 is a wasteful number, since it uses less digits than its factorization.

2657145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824.

The product of its digits is 8400, while the sum is 30.

The square root of 2657145 is about 1630.0751516418. The cubic root of 2657145 is about 138.5070091636.

The spelling of 2657145 in words is "two million, six hundred fifty-seven thousand, one hundred forty-five".