537709 has 2 divisors, whose sum is σ = 537710. Its totient is φ = 537708.

The previous prime is 537703. The next prime is 537739. The reversal of 537709 is 907735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272484 + 265225 = 522^2 + 515^2 .

It is a cyclic number.

It is not a de Polignac number, because 537709 - 2⁹ = 537197 is a prime.

537709 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268854 + 268855.

It is an arithmetic number, because the mean of its divisors is an integer number (268855).

2⁵³⁷⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

537709 is a deficient number, since it is larger than the sum of its proper divisors (1).

537709 is an equidigital number, since it uses as much as digits as its factorization.

537709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6615, while the sum is 31.

The square root of 537709 is about 733.2864378945. The cubic root of 537709 is about 81.3172035708.

The spelling of 537709 in words is "five hundred thirty-seven thousand, seven hundred nine".