2042253521 has 32 divisors (see below), whose sum is σ = 2575964160. Its totient is φ = 1572883200.

The previous prime is 2042253463. The next prime is 2042253523. The reversal of 2042253521 is 1253522402.

It is a de Polignac number, because none of the positive numbers 2^k-2042253521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2042253523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3098690 + ... + 3099348.

It is an arithmetic number, because the mean of its divisors is an integer number (80498880).

Almost surely, 2^2042253521 is an apocalyptic number.

It is an amenable number.

2042253521 is a deficient number, since it is larger than the sum of its proper divisors (533710639).

2042253521 is a wasteful number, since it uses less digits than its factorization.

2042253521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2042253521 is about 45191.2991736241. The cubic root of 2042253521 is about 1268.7319728371.

Adding to 2042253521 its reverse (1253522402), we get a palindrome (3295775923).

The spelling of 2042253521 in words is "two billion, forty-two million, two hundred fifty-three thousand, five hundred twenty-one".