345233513 has 4 divisors (see below), whose sum is σ = 350386320. Its totient is φ = 340080708.

The previous prime is 345233503. The next prime is 345233527. The reversal of 345233513 is 315332543.

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, and also an emirpimes, since its reverse is a distinct semiprime: 315332543 = 103 ⋅3061481.

It is a cyclic number.

It is not a de Polignac number, because 345233513 - 2⁸ = 345233257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345233503) 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, 2576303 + ... + 2576436.

It is an arithmetic number, because the mean of its divisors is an integer number (87596580).

Almost surely, 2^345233513 is an apocalyptic number.

It is an amenable number.

345233513 is a deficient number, since it is larger than the sum of its proper divisors (5152807).

345233513 is an equidigital number, since it uses as much as digits as its factorization.

345233513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152806.

The product of its digits is 16200, while the sum is 29.

The square root of 345233513 is about 18580.4605163597. The cubic root of 345233513 is about 701.5161105263.

The spelling of 345233513 in words is "three hundred forty-five million, two hundred thirty-three thousand, five hundred thirteen".