352131641 has 2 divisors, whose sum is σ = 352131642. Its totient is φ = 352131640.

The previous prime is 352131583. The next prime is 352131643. The reversal of 352131641 is 146131253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261501241 + 90630400 = 16171^2 + 9520^2 .

It is a cyclic number.

It is not a de Polignac number, because 352131641 - 2¹⁰ = 352130617 is a prime.

It is a Sophie Germain prime.

Together with 352131643, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 352131641.

It is not a weakly prime, because it can be changed into another prime (352131643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176065820 + 176065821.

It is an arithmetic number, because the mean of its divisors is an integer number (176065821).

Almost surely, 2^352131641 is an apocalyptic number.

It is an amenable number.

352131641 is a deficient number, since it is larger than the sum of its proper divisors (1).

352131641 is an equidigital number, since it uses as much as digits as its factorization.

352131641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 352131641 is about 18765.1709557893. The cubic root of 352131641 is about 706.1576747665.

Adding to 352131641 its reverse (146131253), we get a palindrome (498262894).

The spelling of 352131641 in words is "three hundred fifty-two million, one hundred thirty-one thousand, six hundred forty-one".