2571012 has 36 divisors (see below), whose sum is σ = 6882876. Its totient is φ = 806400.

The previous prime is 2571011. The next prime is 2571017. The reversal of 2571012 is 2101752.

It can be written as a sum of positive squares in 2 ways, for example, as 968256 + 1602756 = 984^2 + 1266^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2571012² = 13220205408288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2571011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1489 + ... + 2712.

It is an arithmetic number, because the mean of its divisors is an integer number (191191).

2^2571012 is an apocalyptic number.

It is an amenable number.

2571012 is an abundant number, since it is smaller than the sum of its proper divisors (4311864).

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

2571012 is a wasteful number, since it uses less digits than its factorization.

2571012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228 (or 4223 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 2571012 is about 1603.4375572500. The cubic root of 2571012 is about 136.9939436469.

Adding to 2571012 its reverse (2101752), we get a palindrome (4672764).

The spelling of 2571012 in words is "two million, five hundred seventy-one thousand, twelve".