342770251 has 2 divisors, whose sum is σ = 342770252. Its totient is φ = 342770250.

The previous prime is 342770249. The next prime is 342770287. The reversal of 342770251 is 152077243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342770251 - 2¹ = 342770249 is a prime.

Together with 342770249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (342771251) 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, 171385125 + 171385126.

It is an arithmetic number, because the mean of its divisors is an integer number (171385126).

Almost surely, 2^342770251 is an apocalyptic number.

342770251 is a deficient number, since it is larger than the sum of its proper divisors (1).

342770251 is an equidigital number, since it uses as much as digits as its factorization.

342770251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 342770251 is about 18514.0554984585. The cubic root of 342770251 is about 699.8436732544.

The spelling of 342770251 in words is "three hundred forty-two million, seven hundred seventy thousand, two hundred fifty-one".