345030593 has 4 divisors (see below), whose sum is σ = 345212868. Its totient is φ = 344848320.

The previous prime is 345030571. The next prime is 345030607. The reversal of 345030593 is 395030543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 395030543 = 23 ⋅17175241.

It can be written as a sum of positive squares in 2 ways, for example, as 247653169 + 97377424 = 15737^2 + 9868^2 .

It is a cyclic number.

It is not a de Polignac number, because 345030593 - 2²⁰ = 343982017 is a prime.

It is a super-2 number, since 2×345030593² = 238092220211863298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345030523) 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, 88268 + ... + 92093.

It is an arithmetic number, because the mean of its divisors is an integer number (86303217).

Almost surely, 2^345030593 is an apocalyptic number.

It is an amenable number.

345030593 is a deficient number, since it is larger than the sum of its proper divisors (182275).

345030593 is a wasteful number, since it uses less digits than its factorization.

345030593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182274.

The product of its (nonzero) digits is 24300, while the sum is 32.

The square root of 345030593 is about 18574.9991386272. Note that the first 3 decimals coincide. The cubic root of 345030593 is about 701.3786387928.

Adding to 345030593 its sum of digits (32), we get a square (345030625 = 18575²).

It can be divided in two parts, 3450 and 30593, that added together give a palindrome (34043).

The spelling of 345030593 in words is "three hundred forty-five million, thirty thousand, five hundred ninety-three".