2591016 has 32 divisors (see below), whose sum is σ = 6618240. Its totient is φ = 844928.

The previous prime is 2590997. The next prime is 2591023. The reversal of 2591016 is 6101952.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21 + ... + 2276.

It is an arithmetic number, because the mean of its divisors is an integer number (206820).

2^2591016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2591016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3309120).

2591016 is an abundant number, since it is smaller than the sum of its proper divisors (4027224).

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

2591016 is a wasteful number, since it uses less digits than its factorization.

2591016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2353 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 2591016 is about 1609.6633188341. The cubic root of 2591016 is about 137.3483242085.

Adding to 2591016 its reverse (6101952), we get a palindrome (8692968).

It can be divided in two parts, 259 and 1016, that added together give a triangular number (1275 = T₅₀).

The spelling of 2591016 in words is "two million, five hundred ninety-one thousand, sixteen".