345311573 has 4 divisors (see below), whose sum is σ = 356450688. Its totient is φ = 334172460.

The previous prime is 345311569. The next prime is 345311591. The reversal of 345311573 is 375113543.

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 345311573 - 2² = 345311569 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 (345311563) 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, 5569511 + ... + 5569572.

It is an arithmetic number, because the mean of its divisors is an integer number (89112672).

Almost surely, 2^345311573 is an apocalyptic number.

It is an amenable number.

345311573 is a deficient number, since it is larger than the sum of its proper divisors (11139115).

345311573 is a wasteful number, since it uses less digits than its factorization.

345311573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11139114.

The product of its digits is 18900, while the sum is 32.

The square root of 345311573 is about 18582.5609914242. The cubic root of 345311573 is about 701.5689793034.

The spelling of 345311573 in words is "three hundred forty-five million, three hundred eleven thousand, five hundred seventy-three".