34345513 has 4 divisors (see below), whose sum is σ = 34357248. Its totient is φ = 34333780.

The previous prime is 34345511. The next prime is 34345547. The reversal of 34345513 is 31554343.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31554343 = 47 ⋅671369.

It is a cyclic number.

It is not a de Polignac number, because 34345513 - 2¹ = 34345511 is a prime.

It is a super-2 number, since 2×34345513² = 2359228526466338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34345511) 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, 2520 + ... + 8662.

It is an arithmetic number, because the mean of its divisors is an integer number (8589312).

Almost surely, 2^34345513 is an apocalyptic number.

It is an amenable number.

34345513 is a deficient number, since it is larger than the sum of its proper divisors (11735).

34345513 is an equidigital number, since it uses as much as digits as its factorization.

34345513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11734.

The product of its digits is 10800, while the sum is 28.

The square root of 34345513 is about 5860.5045004675. The cubic root of 34345513 is about 325.0548641105.

Adding to 34345513 its reverse (31554343), we get a palindrome (65899856).

The spelling of 34345513 in words is "thirty-four million, three hundred forty-five thousand, five hundred thirteen".