2133570 has 16 divisors (see below), whose sum is σ = 5120640. Its totient is φ = 568944.

The previous prime is 2133563. The next prime is 2133587. The reversal of 2133570 is 753312.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35530 + ... + 35589.

It is an arithmetic number, because the mean of its divisors is an integer number (320040).

2^2133570 is an apocalyptic number.

2133570 is an abundant number, since it is smaller than the sum of its proper divisors (2987070).

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

2133570 is a wasteful number, since it uses less digits than its factorization.

2133570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71129.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 2133570 is about 1460.6745017286. The cubic root of 2133570 is about 128.7366781704.

Adding to 2133570 its reverse (753312), we get a palindrome (2886882).

The spelling of 2133570 in words is "two million, one hundred thirty-three thousand, five hundred seventy".