348142609 has 4 divisors (see below), whose sum is σ = 368621604. Its totient is φ = 327663616.

The previous prime is 348142601. The next prime is 348142631. The reversal of 348142609 is 906241843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 906241843 = 13 ⋅69710911.

It can be written as a sum of positive squares in 2 ways, for example, as 172659600 + 175483009 = 13140^2 + 13247^2 .

It is a cyclic number.

It is not a de Polignac number, because 348142609 - 2³ = 348142601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348142601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10239472 + ... + 10239505.

It is an arithmetic number, because the mean of its divisors is an integer number (92155401).

Almost surely, 2^348142609 is an apocalyptic number.

It is an amenable number.

348142609 is a deficient number, since it is larger than the sum of its proper divisors (20478995).

348142609 is a wasteful number, since it uses less digits than its factorization.

348142609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20478994.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 348142609 is about 18658.5800370768. The cubic root of 348142609 is about 703.4810339212.

The spelling of 348142609 in words is "three hundred forty-eight million, one hundred forty-two thousand, six hundred nine".