342001493 has 2 divisors, whose sum is σ = 342001494. Its totient is φ = 342001492.

The previous prime is 342001481. The next prime is 342001511. The reversal of 342001493 is 394100243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341769169 + 232324 = 18487^2 + 482^2 .

It is an emirp because it is prime and its reverse (394100243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342001493 - 2¹⁴ = 341985109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342001193) 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, 171000746 + 171000747.

It is an arithmetic number, because the mean of its divisors is an integer number (171000747).

Almost surely, 2^342001493 is an apocalyptic number.

It is an amenable number.

342001493 is a deficient number, since it is larger than the sum of its proper divisors (1).

342001493 is an equidigital number, since it uses as much as digits as its factorization.

342001493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 342001493 is about 18493.2823749598. The cubic root of 342001493 is about 699.3200833417.

The spelling of 342001493 in words is "three hundred forty-two million, one thousand, four hundred ninety-three".