2571426 has 96 divisors (see below), whose sum is σ = 6971328. Its totient is φ = 699840.

The previous prime is 2571421. The next prime is 2571427. The reversal of 2571426 is 6241752.

2571426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2571426² = 13224463346952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2571426.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2571421) 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 47 ways as a sum of consecutive naturals, for example, 69480 + ... + 69516.

It is an arithmetic number, because the mean of its divisors is an integer number (72618).

2^2571426 is an apocalyptic number.

2571426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2571426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3485664).

2571426 is an abundant number, since it is smaller than the sum of its proper divisors (4399902).

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

2571426 is a wasteful number, since it uses less digits than its factorization.

2571426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 66 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2571426 is about 1603.5666496906. The cubic root of 2571426 is about 137.0012964518.

The spelling of 2571426 in words is "two million, five hundred seventy-one thousand, four hundred twenty-six".