537323729 has 2 divisors, whose sum is σ = 537323730. Its totient is φ = 537323728.

The previous prime is 537323671. The next prime is 537323741. The reversal of 537323729 is 927323735.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 464187025 + 73136704 = 21545^2 + 8552^2 .

It is a cyclic number.

It is not a de Polignac number, because 537323729 - 2⁸ = 537323473 is a prime.

It is not a weakly prime, because it can be changed into another prime (537323329) 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, 268661864 + 268661865.

It is an arithmetic number, because the mean of its divisors is an integer number (268661865).

Almost surely, 2^537323729 is an apocalyptic number.

It is an amenable number.

537323729 is a deficient number, since it is larger than the sum of its proper divisors (1).

537323729 is an equidigital number, since it uses as much as digits as its factorization.

537323729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 41.

The square root of 537323729 is about 23180.2443688586. The cubic root of 537323729 is about 812.9777754556.

The spelling of 537323729 in words is "five hundred thirty-seven million, three hundred twenty-three thousand, seven hundred twenty-nine".