531899 has 4 divisors (see below), whose sum is σ = 543264. Its totient is φ = 520536.

The previous prime is 531877. The next prime is 531901. The reversal of 531899 is 998135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 531899 - 2¹² = 527803 is a prime.

It is a d-powerful number, because it can be written as 5³ + 3⁵ + 8 + 1 + 9² + 9⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5612 + ... + 5705.

It is an arithmetic number, because the mean of its divisors is an integer number (135816).

2⁵³¹⁸⁹⁹ is an apocalyptic number.

531899 is a deficient number, since it is larger than the sum of its proper divisors (11365).

531899 is a wasteful number, since it uses less digits than its factorization.

531899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11364.

The product of its digits is 9720, while the sum is 35.

The square root of 531899 is about 729.3140612932. The cubic root of 531899 is about 81.0232621294.

The spelling of 531899 in words is "five hundred thirty-one thousand, eight hundred ninety-nine".