345345563 has 8 divisors (see below), whose sum is σ = 350117856. Its totient is φ = 340600000.

The previous prime is 345345557. The next prime is 345345569. The reversal of 345345563 is 365543543.

It is an interprime number because it is at equal distance from previous prime (345345557) and next prime (345345569).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345345563 - 2⁶ = 345345499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345345569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20063 + ... + 33063.

It is an arithmetic number, because the mean of its divisors is an integer number (43764732).

Almost surely, 2^345345563 is an apocalyptic number.

345345563 is a deficient number, since it is larger than the sum of its proper divisors (4772293).

345345563 is a wasteful number, since it uses less digits than its factorization.

345345563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13365.

The product of its digits is 324000, while the sum is 38.

The square root of 345345563 is about 18583.4755360777. The cubic root of 345345563 is about 701.5919976913.

The spelling of 345345563 in words is "three hundred forty-five million, three hundred forty-five thousand, five hundred sixty-three".