343252513 has 4 divisors (see below), whose sum is σ = 344977600. Its totient is φ = 341527428.

The previous prime is 343252489. The next prime is 343252561. The reversal of 343252513 is 315252343.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343252513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343252313) 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, 862245 + ... + 862642.

It is an arithmetic number, because the mean of its divisors is an integer number (86244400).

Almost surely, 2^343252513 is an apocalyptic number.

It is an amenable number.

343252513 is a deficient number, since it is larger than the sum of its proper divisors (1725087).

343252513 is a wasteful number, since it uses less digits than its factorization.

343252513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725086.

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

The square root of 343252513 is about 18527.0751334365. The cubic root of 343252513 is about 700.1717354146.

It can be divided in two parts, 3432 and 52513, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 343252513 in words is "three hundred forty-three million, two hundred fifty-two thousand, five hundred thirteen".