2021052570 has 16 divisors (see below), whose sum is σ = 4850526240. Its totient is φ = 538947344.

The previous prime is 2021052547. The next prime is 2021052571. The reversal of 2021052570 is 752501202.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021052570.

It is not an unprimeable number, because it can be changed into a prime (2021052571) 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, 33684180 + ... + 33684239.

It is an arithmetic number, because the mean of its divisors is an integer number (303157890).

Almost surely, 2^2021052570 is an apocalyptic number.

2021052570 is an abundant number, since it is smaller than the sum of its proper divisors (2829473670).

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

2021052570 is a wasteful number, since it uses less digits than its factorization.

2021052570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67368429.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 2021052570 is about 44956.1182710429. The cubic root of 2021052570 is about 1264.3263912531.

Adding to 2021052570 its reverse (752501202), we get a palindrome (2773553772).

The spelling of 2021052570 in words is "two billion, twenty-one million, fifty-two thousand, five hundred seventy".