2591145 has 24 divisors (see below), whose sum is σ = 4560192. Its totient is φ = 1360800.

The previous prime is 2591143. The next prime is 2591153. The reversal of 2591145 is 5411952.

2591145 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 2591145 - 2¹ = 2591143 is a prime.

It is a super-2 number, since 2×2591145² = 13428064822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2591143) 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 23 ways as a sum of consecutive naturals, for example, 2790 + ... + 3600.

It is an arithmetic number, because the mean of its divisors is an integer number (190008).

2^2591145 is an apocalyptic number.

It is an amenable number.

2591145 is a deficient number, since it is larger than the sum of its proper divisors (1969047).

2591145 is a wasteful number, since it uses less digits than its factorization.

2591145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 890 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 2591145 is about 1609.7033888266. The cubic root of 2591145 is about 137.3506035769.

The spelling of 2591145 in words is "two million, five hundred ninety-one thousand, one hundred forty-five".