531347 has 2 divisors, whose sum is σ = 531348. Its totient is φ = 531346.

The previous prime is 531343. The next prime is 531353. The reversal of 531347 is 743135.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531347 - 2² = 531343 is a prime.

It is a nialpdrome in base 9.

It is not a weakly prime, because it can be changed into another prime (531343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265673 + 265674.

It is an arithmetic number, because the mean of its divisors is an integer number (265674).

2⁵³¹³⁴⁷ is an apocalyptic number.

531347 is a deficient number, since it is larger than the sum of its proper divisors (1).

531347 is an equidigital number, since it uses as much as digits as its factorization.

531347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 23.

The square root of 531347 is about 728.9355252696. The cubic root of 531347 is about 80.9952240236.

It can be divided in two parts, 531 and 347, that added together give a palindrome (878).

The spelling of 531347 in words is "five hundred thirty-one thousand, three hundred forty-seven".