343564013 has 4 divisors (see below), whose sum is σ = 369992028. Its totient is φ = 317136000.

The previous prime is 343563991. The next prime is 343564043. The reversal of 343564013 is 310465343.

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 75030244 + 268533769 = 8662^2 + 16387^2 .

It is a cyclic number.

It is not a de Polignac number, because 343564013 - 2¹² = 343559917 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 (343564043) 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, 13213988 + ... + 13214013.

It is an arithmetic number, because the mean of its divisors is an integer number (92498007).

Almost surely, 2^343564013 is an apocalyptic number.

It is an amenable number.

343564013 is a deficient number, since it is larger than the sum of its proper divisors (26428015).

343564013 is a wasteful number, since it uses less digits than its factorization.

343564013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26428014.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 343564013 is about 18535.4798427233. The cubic root of 343564013 is about 700.3834722018.

The spelling of 343564013 in words is "three hundred forty-three million, five hundred sixty-four thousand, thirteen".