355242029 has 2 divisors, whose sum is σ = 355242030. Its totient is φ = 355242028.

The previous prime is 355242011. The next prime is 355242053. The reversal of 355242029 is 920242553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206353225 + 148888804 = 14365^2 + 12202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355242029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 355241986 and 355242004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355242059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177621014 + 177621015.

It is an arithmetic number, because the mean of its divisors is an integer number (177621015).

Almost surely, 2^355242029 is an apocalyptic number.

It is an amenable number.

355242029 is a deficient number, since it is larger than the sum of its proper divisors (1).

355242029 is an equidigital number, since it uses as much as digits as its factorization.

355242029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 355242029 is about 18847.8653698502. The cubic root of 355242029 is about 708.2307525852.

The spelling of 355242029 in words is "three hundred fifty-five million, two hundred forty-two thousand, twenty-nine".