2589261 has 4 divisors (see below), whose sum is σ = 3452352. Its totient is φ = 1726172.

The previous prime is 2589247. The next prime is 2589269. The reversal of 2589261 is 1629852.

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 a cyclic number.

It is not a de Polignac number, because 2589261 - 2⁵ = 2589229 is a prime.

It is a super-2 number, since 2×2589261² = 13408545052242, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2589269) 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, 431541 + ... + 431546.

It is an arithmetic number, because the mean of its divisors is an integer number (863088).

2^2589261 is an apocalyptic number.

It is an amenable number.

2589261 is a deficient number, since it is larger than the sum of its proper divisors (863091).

2589261 is an equidigital number, since it uses as much as digits as its factorization.

2589261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863090.

The product of its digits is 8640, while the sum is 33.

The square root of 2589261 is about 1609.1180814347. The cubic root of 2589261 is about 137.3173066781.

It can be divided in two parts, 2589 and 261, that added together give a triangular number (2850 = T₇₅).

The spelling of 2589261 in words is "two million, five hundred eighty-nine thousand, two hundred sixty-one".