2021534150 has 24 divisors (see below), whose sum is σ = 3783136584. Its totient is φ = 803649600.

The previous prime is 2021534113. The next prime is 2021534153. The reversal of 2021534150 is 514351202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021534153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115871 + ... + 132170.

It is an arithmetic number, because the mean of its divisors is an integer number (157630691).

Almost surely, 2^2021534150 is an apocalyptic number.

2021534150 is a deficient number, since it is larger than the sum of its proper divisors (1761602434).

2021534150 is a wasteful number, since it uses less digits than its factorization.

2021534150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248216 (or 248211 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2021534150 is about 44961.4740639139. The cubic root of 2021534150 is about 1264.4268052582.

Adding to 2021534150 its reverse (514351202), we get a palindrome (2535885352).

The spelling of 2021534150 in words is "two billion, twenty-one million, five hundred thirty-four thousand, one hundred fifty".