355412129 has 2 divisors, whose sum is σ = 355412130. Its totient is φ = 355412128.

The previous prime is 355412093. The next prime is 355412131. The reversal of 355412129 is 921214553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291043600 + 64368529 = 17060^2 + 8023^2 .

It is a cyclic number.

It is not a de Polignac number, because 355412129 - 2⁸ = 355411873 is a prime.

It is a Sophie Germain prime.

Together with 355412131, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 355412095 and 355412104.

It is not a weakly prime, because it can be changed into another prime (355412159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177706064 + 177706065.

It is an arithmetic number, because the mean of its divisors is an integer number (177706065).

Almost surely, 2^355412129 is an apocalyptic number.

It is an amenable number.

355412129 is a deficient number, since it is larger than the sum of its proper divisors (1).

355412129 is an equidigital number, since it uses as much as digits as its factorization.

355412129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 32.

The square root of 355412129 is about 18852.3772771500. The cubic root of 355412129 is about 708.3437748988.

The spelling of 355412129 in words is "three hundred fifty-five million, four hundred twelve thousand, one hundred twenty-nine".