531052113 has 4 divisors (see below), whose sum is σ = 708069488. Its totient is φ = 354034740.

The previous prime is 531052111. The next prime is 531052121. The reversal of 531052113 is 311250135.

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 not a de Polignac number, because 531052113 - 2¹ = 531052111 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 531052113.

It is not an unprimeable number, because it can be changed into a prime (531052111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88508683 + ... + 88508688.

It is an arithmetic number, because the mean of its divisors is an integer number (177017372).

Almost surely, 2^531052113 is an apocalyptic number.

It is an amenable number.

531052113 is a deficient number, since it is larger than the sum of its proper divisors (177017375).

531052113 is a wasteful number, since it uses less digits than its factorization.

531052113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177017374.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 531052113 is about 23044.5679716501. The cubic root of 531052113 is about 809.8023767231.

The spelling of 531052113 in words is "five hundred thirty-one million, fifty-two thousand, one hundred thirteen".