345004213 has 8 divisors (see below), whose sum is σ = 358179480. Its totient is φ = 331914240.

The previous prime is 345004207. The next prime is 345004229. The reversal of 345004213 is 312400543.

It can be written as a sum of positive squares in 4 ways, for example, as 133679844 + 211324369 = 11562^2 + 14537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345004213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345004313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13020 + ... + 29317.

It is an arithmetic number, because the mean of its divisors is an integer number (44772435).

Almost surely, 2^345004213 is an apocalyptic number.

It is an amenable number.

345004213 is a deficient number, since it is larger than the sum of its proper divisors (13175267).

345004213 is a wasteful number, since it uses less digits than its factorization.

345004213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42647.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 345004213 is about 18574.2890308082. The cubic root of 345004213 is about 701.3607632377.

Adding to 345004213 its reverse (312400543), we get a palindrome (657404756).

The spelling of 345004213 in words is "three hundred forty-five million, four thousand, two hundred thirteen".