345513513 has 4 divisors (see below), whose sum is σ = 460684688. Its totient is φ = 230342340.

The previous prime is 345513473. The next prime is 345513517. The reversal of 345513513 is 315315543.

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 not a de Polignac number, because 345513513 - 2⁹ = 345513001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (345513517) 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, 57585583 + ... + 57585588.

It is an arithmetic number, because the mean of its divisors is an integer number (115171172).

Almost surely, 2^345513513 is an apocalyptic number.

It is an amenable number.

345513513 is a deficient number, since it is larger than the sum of its proper divisors (115171175).

345513513 is a wasteful number, since it uses less digits than its factorization.

345513513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115171174.

The product of its digits is 13500, while the sum is 30.

The square root of 345513513 is about 18587.9937863127. The cubic root of 345513513 is about 701.7057130460.

The spelling of 345513513 in words is "three hundred forty-five million, five hundred thirteen thousand, five hundred thirteen".