342529249 has 2 divisors, whose sum is σ = 342529250. Its totient is φ = 342529248.

The previous prime is 342529241. The next prime is 342529349. The reversal of 342529249 is 942925243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283316224 + 59213025 = 16832^2 + 7695^2 .

It is a cyclic number.

It is not a de Polignac number, because 342529249 - 2³ = 342529241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342529241) 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, 171264624 + 171264625.

It is an arithmetic number, because the mean of its divisors is an integer number (171264625).

Almost surely, 2^342529249 is an apocalyptic number.

It is an amenable number.

342529249 is a deficient number, since it is larger than the sum of its proper divisors (1).

342529249 is an equidigital number, since it uses as much as digits as its factorization.

342529249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 342529249 is about 18507.5457314037. The cubic root of 342529249 is about 699.6796146086.

The spelling of 342529249 in words is "three hundred forty-two million, five hundred twenty-nine thousand, two hundred forty-nine".