342526993 has 2 divisors, whose sum is σ = 342526994. Its totient is φ = 342526992.

The previous prime is 342526957. The next prime is 342527039. The reversal of 342526993 is 399625243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200845584 + 141681409 = 14172^2 + 11903^2 .

It is a cyclic number.

It is not a de Polignac number, because 342526993 - 2¹³ = 342518801 is a prime.

It is not a weakly prime, because it can be changed into another prime (342526903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171263496 + 171263497.

It is an arithmetic number, because the mean of its divisors is an integer number (171263497).

Almost surely, 2^342526993 is an apocalyptic number.

It is an amenable number.

342526993 is a deficient number, since it is larger than the sum of its proper divisors (1).

342526993 is an equidigital number, since it uses as much as digits as its factorization.

342526993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 43.

The square root of 342526993 is about 18507.4847831897. The cubic root of 342526993 is about 699.6780785055.

The spelling of 342526993 in words is "three hundred forty-two million, five hundred twenty-six thousand, nine hundred ninety-three".