342736249 has 2 divisors, whose sum is σ = 342736250. Its totient is φ = 342736248.

The previous prime is 342736189. The next prime is 342736259. The reversal of 342736249 is 942637243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177742224 + 164994025 = 13332^2 + 12845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342736249 is a prime.

It is not a weakly prime, because it can be changed into another prime (342736259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171368124 + 171368125.

It is an arithmetic number, because the mean of its divisors is an integer number (171368125).

Almost surely, 2^342736249 is an apocalyptic number.

It is an amenable number.

342736249 is a deficient number, since it is larger than the sum of its proper divisors (1).

342736249 is an equidigital number, since it uses as much as digits as its factorization.

342736249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 40.

The square root of 342736249 is about 18513.1372003775. The cubic root of 342736249 is about 699.8205315422.

The spelling of 342736249 in words is "three hundred forty-two million, seven hundred thirty-six thousand, two hundred forty-nine".