2571020 has 12 divisors (see below), whose sum is σ = 5399184. Its totient is φ = 1028400.

The previous prime is 2571017. The next prime is 2571031. The reversal of 2571020 is 201752.

2571020 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2571020² = 13220287680800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2571020.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 64256 + ... + 64295.

It is an arithmetic number, because the mean of its divisors is an integer number (449932).

2^2571020 is an apocalyptic number.

2571020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2571020 is an abundant number, since it is smaller than the sum of its proper divisors (2828164).

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

2571020 is a wasteful number, since it uses less digits than its factorization.

2571020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128560 (or 128558 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 2571020 is about 1603.4400518884. The cubic root of 2571020 is about 136.9940857375.

Adding to 2571020 its reverse (201752), we get a palindrome (2772772).

The spelling of 2571020 in words is "two million, five hundred seventy-one thousand, twenty".