352530320413 has 4 divisors (see below), whose sum is σ = 353902033980. Its totient is φ = 351158606848.

The previous prime is 352530320399. The next prime is 352530320419. The reversal of 352530320413 is 314023035253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314023035253 = 139 ⋅2259158527.

It can be written as a sum of positive squares in 2 ways, for example, as 321713571204 + 30816749209 = 567198^2 + 175547^2 .

It is a cyclic number.

It is not a de Polignac number, because 352530320413 - 2³³ = 343940385821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352530320419) 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, 685856398 + ... + 685856911.

It is an arithmetic number, because the mean of its divisors is an integer number (88475508495).

Almost surely, 2^352530320413 is an apocalyptic number.

It is an amenable number.

352530320413 is a deficient number, since it is larger than the sum of its proper divisors (1371713567).

352530320413 is a wasteful number, since it uses less digits than its factorization.

352530320413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371713566.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 352530320413 its reverse (314023035253), we get a palindrome (666553355666).

The spelling of 352530320413 in words is "three hundred fifty-two billion, five hundred thirty million, three hundred twenty thousand, four hundred thirteen".