735522121 has 4 divisors (see below), whose sum is σ = 735626772. Its totient is φ = 735417472.

The previous prime is 735522113. The next prime is 735522131. The reversal of 735522121 is 121225537.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121225537 = 5501 ⋅22037.

It can be written as a sum of positive squares in 2 ways, for example, as 286929721 + 448592400 = 16939^2 + 21180^2 .

It is a cyclic number.

It is not a de Polignac number, because 735522121 - 2³ = 735522113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 735522121.

It is not an unprimeable number, because it can be changed into a prime (735522101) 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 3 ways as a sum of consecutive naturals, for example, 40960 + ... + 56113.

It is an arithmetic number, because the mean of its divisors is an integer number (183906693).

Almost surely, 2^735522121 is an apocalyptic number.

It is an amenable number.

735522121 is a deficient number, since it is larger than the sum of its proper divisors (104651).

735522121 is an equidigital number, since it uses as much as digits as its factorization.

735522121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104650.

The product of its digits is 4200, while the sum is 28.

The square root of 735522121 is about 27120.5110755679. The cubic root of 735522121 is about 902.6760356732.

Adding to 735522121 its reverse (121225537), we get a palindrome (856747658).

The spelling of 735522121 in words is "seven hundred thirty-five million, five hundred twenty-two thousand, one hundred twenty-one".