342490361 has 2 divisors, whose sum is σ = 342490362. Its totient is φ = 342490360.

The previous prime is 342490327. The next prime is 342490391. The reversal of 342490361 is 163094243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322741225 + 19749136 = 17965^2 + 4444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342490361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342490391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171245180 + 171245181.

It is an arithmetic number, because the mean of its divisors is an integer number (171245181).

Almost surely, 2^342490361 is an apocalyptic number.

It is an amenable number.

342490361 is a deficient number, since it is larger than the sum of its proper divisors (1).

342490361 is an equidigital number, since it uses as much as digits as its factorization.

342490361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 342490361 is about 18506.4951030712. The cubic root of 342490361 is about 699.6531349520.

The spelling of 342490361 in words is "three hundred forty-two million, four hundred ninety thousand, three hundred sixty-one".