345626513 has 4 divisors (see below), whose sum is σ = 345810228. Its totient is φ = 345442800.

The previous prime is 345626503. The next prime is 345626521. The reversal of 345626513 is 315626543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99042304 + 246584209 = 9952^2 + 15703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345626513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345626503) 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, 89006 + ... + 92807.

It is an arithmetic number, because the mean of its divisors is an integer number (86452557).

Almost surely, 2^345626513 is an apocalyptic number.

It is an amenable number.

345626513 is a deficient number, since it is larger than the sum of its proper divisors (183715).

345626513 is a wasteful number, since it uses less digits than its factorization.

345626513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183714.

The product of its digits is 64800, while the sum is 35.

The square root of 345626513 is about 18591.0331342828. The cubic root of 345626513 is about 701.7822021942.

The spelling of 345626513 in words is "three hundred forty-five million, six hundred twenty-six thousand, five hundred thirteen".