289191053 has 2 divisors, whose sum is σ = 289191054. Its totient is φ = 289191052.

The previous prime is 289191013. The next prime is 289191107. The reversal of 289191053 is 350191982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240777289 + 48413764 = 15517^2 + 6958^2 .

It is a cyclic number.

It is not a de Polignac number, because 289191053 - 2⁶ = 289190989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289190998 and 289191016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289191013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144595526 + 144595527.

It is an arithmetic number, because the mean of its divisors is an integer number (144595527).

Almost surely, 2^289191053 is an apocalyptic number.

It is an amenable number.

289191053 is a deficient number, since it is larger than the sum of its proper divisors (1).

289191053 is an equidigital number, since it uses as much as digits as its factorization.

289191053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 289191053 is about 17005.6182774988. The cubic root of 289191053 is about 661.2945611959.

The spelling of 289191053 in words is "two hundred eighty-nine million, one hundred ninety-one thousand, fifty-three".