342079813 has 2 divisors, whose sum is σ = 342079814. Its totient is φ = 342079812.

The previous prime is 342079807. The next prime is 342079847. The reversal of 342079813 is 318970243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339775489 + 2304324 = 18433^2 + 1518^2 .

It is a cyclic number.

It is not a de Polignac number, because 342079813 - 2¹³ = 342071621 is a prime.

It is a super-2 number, since 2×342079813² = 234037196924229938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342079883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171039906 + 171039907.

It is an arithmetic number, because the mean of its divisors is an integer number (171039907).

Almost surely, 2^342079813 is an apocalyptic number.

It is an amenable number.

342079813 is a deficient number, since it is larger than the sum of its proper divisors (1).

342079813 is an equidigital number, since it uses as much as digits as its factorization.

342079813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 342079813 is about 18495.3997794046. The cubic root of 342079813 is about 699.3734618305.

The spelling of 342079813 in words is "three hundred forty-two million, seventy-nine thousand, eight hundred thirteen".