2142570 has 16 divisors (see below), whose sum is σ = 5142240. Its totient is φ = 571344.

The previous prime is 2142557. The next prime is 2142577. The reversal of 2142570 is 752412.

It is not an unprimeable number, because it can be changed into a prime (2142577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35680 + ... + 35739.

It is an arithmetic number, because the mean of its divisors is an integer number (321390).

2^2142570 is an apocalyptic number.

2142570 is an abundant number, since it is smaller than the sum of its proper divisors (2999670).

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

2142570 is a wasteful number, since it uses less digits than its factorization.

2142570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71429.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2142570 is about 1463.7520281796. The cubic root of 2142570 is about 128.9174401121.

Adding to 2142570 its reverse (752412), we get a palindrome (2894982).

The spelling of 2142570 in words is "two million, one hundred forty-two thousand, five hundred seventy".