535612121 has 4 divisors (see below), whose sum is σ = 584304144. Its totient is φ = 486920100.

The previous prime is 535612093. The next prime is 535612127. The reversal of 535612121 is 121216535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-535612121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535612127) 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 3 ways as a sum of consecutive naturals, for example, 24345995 + ... + 24346016.

It is an arithmetic number, because the mean of its divisors is an integer number (146076036).

Almost surely, 2^535612121 is an apocalyptic number.

It is an amenable number.

535612121 is a deficient number, since it is larger than the sum of its proper divisors (48692023).

535612121 is a wasteful number, since it uses less digits than its factorization.

535612121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48692022.

The product of its digits is 1800, while the sum is 26.

The square root of 535612121 is about 23143.2953790077. The cubic root of 535612121 is about 812.1136288726.

Adding to 535612121 its reverse (121216535), we get a palindrome (656828656).

The spelling of 535612121 in words is "five hundred thirty-five million, six hundred twelve thousand, one hundred twenty-one".