345263573 has 4 divisors (see below), whose sum is σ = 363435360. Its totient is φ = 327091788.

The previous prime is 345263549. The next prime is 345263593. The reversal of 345263573 is 375362543.

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.

It is a cyclic number.

It is not a de Polignac number, because 345263573 - 2⁶ = 345263509 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 (345263533) 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, 9085865 + ... + 9085902.

It is an arithmetic number, because the mean of its divisors is an integer number (90858840).

Almost surely, 2^345263573 is an apocalyptic number.

It is an amenable number.

345263573 is a deficient number, since it is larger than the sum of its proper divisors (18171787).

345263573 is a wasteful number, since it uses less digits than its factorization.

345263573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18171786.

The product of its digits is 226800, while the sum is 38.

The square root of 345263573 is about 18581.2694130406. The cubic root of 345263573 is about 701.5364706222.

The spelling of 345263573 in words is "three hundred forty-five million, two hundred sixty-three thousand, five hundred seventy-three".