342705541 has 2 divisors, whose sum is σ = 342705542. Its totient is φ = 342705540.

The previous prime is 342705521. The next prime is 342705551. The reversal of 342705541 is 145507243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341473441 + 1232100 = 18479^2 + 1110^2 .

It is a cyclic number.

It is not a de Polignac number, because 342705541 - 2¹³ = 342697349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342705521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171352770 + 171352771.

It is an arithmetic number, because the mean of its divisors is an integer number (171352771).

Almost surely, 2^342705541 is an apocalyptic number.

It is an amenable number.

342705541 is a deficient number, since it is larger than the sum of its proper divisors (1).

342705541 is an equidigital number, since it uses as much as digits as its factorization.

342705541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 342705541 is about 18512.3078247959. The cubic root of 342705541 is about 699.7996304063.

The spelling of 342705541 in words is "three hundred forty-two million, seven hundred five thousand, five hundred forty-one".