342571261 has 4 divisors (see below), whose sum is σ = 347264092. Its totient is φ = 337878432.

The previous prime is 342571253. The next prime is 342571283. The reversal of 342571261 is 162175243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 200222500 + 142348761 = 14150^2 + 11931^2 .

It is a cyclic number.

It is not a de Polignac number, because 342571261 - 2³ = 342571253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342571241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2346306 + ... + 2346451.

It is an arithmetic number, because the mean of its divisors is an integer number (86816023).

Almost surely, 2^342571261 is an apocalyptic number.

It is an amenable number.

342571261 is a deficient number, since it is larger than the sum of its proper divisors (4692831).

342571261 is an equidigital number, since it uses as much as digits as its factorization.

342571261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4692830.

The product of its digits is 10080, while the sum is 31.

The square root of 342571261 is about 18508.6806931234. The cubic root of 342571261 is about 699.7082192103.

The spelling of 342571261 in words is "three hundred forty-two million, five hundred seventy-one thousand, two hundred sixty-one".