352345121 has 4 divisors (see below), whose sum is σ = 354381972. Its totient is φ = 350308272.

The previous prime is 352345093. The next prime is 352345141. The reversal of 352345121 is 121543253.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121543253 = 13 ⋅9349481.

It can be written as a sum of positive squares in 2 ways, for example, as 197093521 + 155251600 = 14039^2 + 12460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352345121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352345141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018166 + ... + 1018511.

It is an arithmetic number, because the mean of its divisors is an integer number (88595493).

Almost surely, 2^352345121 is an apocalyptic number.

It is an amenable number.

352345121 is a deficient number, since it is larger than the sum of its proper divisors (2036851).

352345121 is a wasteful number, since it uses less digits than its factorization.

352345121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036850.

The product of its digits is 3600, while the sum is 26.

The square root of 352345121 is about 18770.8582915113. The cubic root of 352345121 is about 706.3003487639.

Adding to 352345121 its reverse (121543253), we get a palindrome (473888374).

The spelling of 352345121 in words is "three hundred fifty-two million, three hundred forty-five thousand, one hundred twenty-one".