2591064 has 96 divisors (see below), whose sum is σ = 8255520. Its totient is φ = 718848.

The previous prime is 2591059. The next prime is 2591093. The reversal of 2591064 is 4601952.

2591064 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2591064² = 13427225304192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26664 + ... + 26760.

It is an arithmetic number, because the mean of its divisors is an integer number (85995).

2^2591064 is an apocalyptic number.

2591064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2591064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4127760).

2591064 is an abundant number, since it is smaller than the sum of its proper divisors (5664456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2591064 is a wasteful number, since it uses less digits than its factorization.

2591064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2591064 is about 1609.6782287153. The cubic root of 2591064 is about 137.3491723544.

The spelling of 2591064 in words is "two million, five hundred ninety-one thousand, sixty-four".