534643013 has 4 divisors (see below), whose sum is σ = 566092620. Its totient is φ = 503193408.

The previous prime is 534643009. The next prime is 534643061. The reversal of 534643013 is 310346435.

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 413796964 + 120846049 = 20342^2 + 10993^2 .

It is a cyclic number.

It is not a de Polignac number, because 534643013 - 2² = 534643009 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 (534643513) 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, 15724778 + ... + 15724811.

It is an arithmetic number, because the mean of its divisors is an integer number (141523155).

Almost surely, 2^534643013 is an apocalyptic number.

It is an amenable number.

534643013 is a deficient number, since it is larger than the sum of its proper divisors (31449607).

534643013 is a wasteful number, since it uses less digits than its factorization.

534643013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31449606.

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

The square root of 534643013 is about 23122.3487777518. The cubic root of 534643013 is about 811.6235348107.

Adding to 534643013 its reverse (310346435), we get a palindrome (844989448).

The spelling of 534643013 in words is "five hundred thirty-four million, six hundred forty-three thousand, thirteen".