537599989 has 2 divisors, whose sum is σ = 537599990. Its totient is φ = 537599988.

The previous prime is 537599971. The next prime is 537600013. The reversal of 537599989 is 989995735.

It is a happy number.

537599989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372683025 + 164916964 = 19305^2 + 12842^2 .

It is a cyclic number.

It is not a de Polignac number, because 537599989 - 2⁵ = 537599957 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 537599989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537599969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268799994 + 268799995.

It is an arithmetic number, because the mean of its divisors is an integer number (268799995).

Almost surely, 2^537599989 is an apocalyptic number.

It is an amenable number.

537599989 is a deficient number, since it is larger than the sum of its proper divisors (1).

537599989 is an equidigital number, since it uses as much as digits as its factorization.

537599989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27556200, while the sum is 64.

The square root of 537599989 is about 23186.2025566931. The cubic root of 537599989 is about 813.1170799061.

The spelling of 537599989 in words is "five hundred thirty-seven million, five hundred ninety-nine thousand, nine hundred eighty-nine".