348343561 has 4 divisors (see below), whose sum is σ = 350650624. Its totient is φ = 346036500.

The previous prime is 348343553. The next prime is 348343603. The reversal of 348343561 is 165343843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 165343843 = 7 ⋅23620549.

It is a cyclic number.

It is not a de Polignac number, because 348343561 - 2³ = 348343553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 348343561.

It is not an unprimeable number, because it can be changed into a prime (348343361) 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, 1153305 + ... + 1153606.

It is an arithmetic number, because the mean of its divisors is an integer number (87662656).

Almost surely, 2^348343561 is an apocalyptic number.

It is an amenable number.

348343561 is a deficient number, since it is larger than the sum of its proper divisors (2307063).

348343561 is a wasteful number, since it uses less digits than its factorization.

348343561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307062.

The product of its digits is 103680, while the sum is 37.

The square root of 348343561 is about 18663.9642359280. The cubic root of 348343561 is about 703.6163603904.

The spelling of 348343561 in words is "three hundred forty-eight million, three hundred forty-three thousand, five hundred sixty-one".