2571040 has 24 divisors (see below), whose sum is σ = 6074460. Its totient is φ = 1028352.

The previous prime is 2571031. The next prime is 2571059. The reversal of 2571040 is 401752.

It can be written as a sum of positive squares in 2 ways, for example, as 2471184 + 99856 = 1572^2 + 316^2 .

It is a super-2 number, since 2×2571040² = 13220493363200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2570999 and 2571017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7875 + ... + 8194.

2^2571040 is an apocalyptic number.

2571040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2571040 is an abundant number, since it is smaller than the sum of its proper divisors (3503420).

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

2571040 is a wasteful number, since it uses less digits than its factorization.

2571040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16084 (or 16076 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2571040 is about 1603.4462884674. The cubic root of 2571040 is about 136.9944409629.

Adding to 2571040 its reverse (401752), we get a palindrome (2972792).

The spelling of 2571040 in words is "two million, five hundred seventy-one thousand, forty".