342045761 has 2 divisors, whose sum is σ = 342045762. Its totient is φ = 342045760.

The previous prime is 342045721. The next prime is 342045773. The reversal of 342045761 is 167540243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314849536 + 27196225 = 17744^2 + 5215^2 .

It is a cyclic number.

It is not a de Polignac number, because 342045761 - 2¹⁰ = 342044737 is a prime.

It is not a weakly prime, because it can be changed into another prime (342045701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171022880 + 171022881.

It is an arithmetic number, because the mean of its divisors is an integer number (171022881).

Almost surely, 2^342045761 is an apocalyptic number.

It is an amenable number.

342045761 is a deficient number, since it is larger than the sum of its proper divisors (1).

342045761 is an equidigital number, since it uses as much as digits as its factorization.

342045761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 342045761 is about 18494.4792032650. The cubic root of 342045761 is about 699.3502549116.

The spelling of 342045761 in words is "three hundred forty-two million, forty-five thousand, seven hundred sixty-one".