531383 has 2 divisors, whose sum is σ = 531384. Its totient is φ = 531382.

The previous prime is 531359. The next prime is 531457. The reversal of 531383 is 383135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531383 - 2¹⁰ = 530359 is a prime.

It is a Chen prime.

It is equal to p₄₃₉₃₄ and since 531383 and 43934 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531343) 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 as a sum of consecutive naturals, namely, 265691 + 265692.

It is an arithmetic number, because the mean of its divisors is an integer number (265692).

531383 is a Friedman number, since it can be written as 3^(3*(3+1))-58, using all its digits and the basic arithmetic operations.

2⁵³¹³⁸³ is an apocalyptic number.

531383 is a deficient number, since it is larger than the sum of its proper divisors (1).

531383 is an equidigital number, since it uses as much as digits as its factorization.

531383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 23.

The square root of 531383 is about 728.9602183933. The cubic root of 531383 is about 80.9970531875.

The spelling of 531383 in words is "five hundred thirty-one thousand, three hundred eighty-three".