342991601 has 2 divisors, whose sum is σ = 342991602. Its totient is φ = 342991600.

The previous prime is 342991547. The next prime is 342991631. The reversal of 342991601 is 106199243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243391201 + 99600400 = 15601^2 + 9980^2 .

It is a cyclic number.

It is not a de Polignac number, because 342991601 - 2²² = 338797297 is a prime.

It is not a weakly prime, because it can be changed into another prime (342991631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171495800 + 171495801.

It is an arithmetic number, because the mean of its divisors is an integer number (171495801).

Almost surely, 2^342991601 is an apocalyptic number.

It is an amenable number.

342991601 is a deficient number, since it is larger than the sum of its proper divisors (1).

342991601 is an equidigital number, since it uses as much as digits as its factorization.

342991601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 342991601 is about 18520.0324243777. The cubic root of 342991601 is about 699.9942863479.

The spelling of 342991601 in words is "three hundred forty-two million, nine hundred ninety-one thousand, six hundred one".