342884261 has 2 divisors, whose sum is σ = 342884262. Its totient is φ = 342884260.

The previous prime is 342884257. The next prime is 342884327. The reversal of 342884261 is 162488243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178890625 + 163993636 = 13375^2 + 12806^2 .

It is an emirp because it is prime and its reverse (162488243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342884261 - 2² = 342884257 is a prime.

It is a super-2 number, since 2×342884261² = 235139232883032242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342884221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171442130 + 171442131.

It is an arithmetic number, because the mean of its divisors is an integer number (171442131).

Almost surely, 2^342884261 is an apocalyptic number.

It is an amenable number.

342884261 is a deficient number, since it is larger than the sum of its proper divisors (1).

342884261 is an equidigital number, since it uses as much as digits as its factorization.

342884261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 38.

The square root of 342884261 is about 18517.1342545222. The cubic root of 342884261 is about 699.9212571290.

The spelling of 342884261 in words is "three hundred forty-two million, eight hundred eighty-four thousand, two hundred sixty-one".