345344613 has 16 divisors (see below), whose sum is σ = 488146176. Its totient is φ = 216419840.

The previous prime is 345344603. The next prime is 345344633. The reversal of 345344613 is 316443543.

It is a cyclic number.

It is not a de Polignac number, because 345344613 - 2⁹ = 345344101 is a prime.

It is a super-4 number, since 4×345344613⁴ (a number of 35 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345344603) 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 in 15 ways as a sum of consecutive naturals, for example, 42745 + ... + 50177.

It is an arithmetic number, because the mean of its divisors is an integer number (30509136).

Almost surely, 2^345344613 is an apocalyptic number.

It is an amenable number.

345344613 is a deficient number, since it is larger than the sum of its proper divisors (142801563).

345344613 is a wasteful number, since it uses less digits than its factorization.

345344613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8364.

The product of its digits is 51840, while the sum is 33.

The square root of 345344613 is about 18583.4499757176. The cubic root of 345344613 is about 701.5913543617.

The spelling of 345344613 in words is "three hundred forty-five million, three hundred forty-four thousand, six hundred thirteen".