2102520533 has 16 divisors (see below), whose sum is σ = 2193139200. Its totient is φ = 2013431040.

The previous prime is 2102520499. The next prime is 2102520557. The reversal of 2102520533 is 3350252012.

It is a cyclic number.

It is not a de Polignac number, because 2102520533 - 2²² = 2098326229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2102520499 and 2102520508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102550533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761785 + ... + 1762977.

It is an arithmetic number, because the mean of its divisors is an integer number (137071200).

Almost surely, 2^2102520533 is an apocalyptic number.

It is an amenable number.

2102520533 is a deficient number, since it is larger than the sum of its proper divisors (90618667).

2102520533 is a wasteful number, since it uses less digits than its factorization.

2102520533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 2102520533 is about 45853.2499720576. The cubic root of 2102520533 is about 1281.0913001518.

Adding to 2102520533 its reverse (3350252012), we get a palindrome (5452772545).

The spelling of 2102520533 in words is "two billion, one hundred two million, five hundred twenty thousand, five hundred thirty-three".