2535532121 has 16 divisors (see below), whose sum is σ = 2826624000. Its totient is φ = 2263325328.

The previous prime is 2535532079. The next prime is 2535532187. The reversal of 2535532121 is 1212355352.

It is a cyclic number.

It is not a de Polignac number, because 2535532121 - 2¹⁸ = 2535269977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2535532921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14021 + ... + 72578.

It is an arithmetic number, because the mean of its divisors is an integer number (176664000).

Almost surely, 2^2535532121 is an apocalyptic number.

It is an amenable number.

2535532121 is a deficient number, since it is larger than the sum of its proper divisors (291091879).

2535532121 is a wasteful number, since it uses less digits than its factorization.

2535532121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86708.

The product of its digits is 9000, while the sum is 29.

The square root of 2535532121 is about 50354.0675715478. The cubic root of 2535532121 is about 1363.6085183608.

Adding to 2535532121 its reverse (1212355352), we get a palindrome (3747887473).

The spelling of 2535532121 in words is "two billion, five hundred thirty-five million, five hundred thirty-two thousand, one hundred twenty-one".