2591259 has 32 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 1420800.

The previous prime is 2591243. The next prime is 2591261. The reversal of 2591259 is 9521952.

2591259 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 2591259 - 2⁴ = 2591243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2591209) 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 31 ways as a sum of consecutive naturals, for example, 17317 + ... + 17465.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2^2591259 is an apocalyptic number.

2591259 is a deficient number, since it is larger than the sum of its proper divisors (1555941).

2591259 is a wasteful number, since it uses less digits than its factorization.

2591259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

The product of its digits is 8100, while the sum is 33.

The square root of 2591259 is about 1609.7387986875. The cubic root of 2591259 is about 137.3526178395.

Subtracting from 2591259 its sum of digits (33), we obtain a triangular number (2591226 = T₂₂₇₆).

It can be divided in two parts, 2591 and 259, that added together give a triangular number (2850 = T₇₅).

The spelling of 2591259 in words is "two million, five hundred ninety-one thousand, two hundred fifty-nine".