289629953 has 2 divisors, whose sum is σ = 289629954. Its totient is φ = 289629952.

The previous prime is 289629913. The next prime is 289629971. The reversal of 289629953 is 359926982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232959169 + 56670784 = 15263^2 + 7528^2 .

It is a cyclic number.

It is not a de Polignac number, because 289629953 - 2¹⁸ = 289367809 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 289629895 and 289629904.

It is not a weakly prime, because it can be changed into another prime (289629913) 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, 144814976 + 144814977.

It is an arithmetic number, because the mean of its divisors is an integer number (144814977).

Almost surely, 2^289629953 is an apocalyptic number.

It is an amenable number.

289629953 is a deficient number, since it is larger than the sum of its proper divisors (1).

289629953 is an equidigital number, since it uses as much as digits as its factorization.

289629953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 53.

The square root of 289629953 is about 17018.5179436989. The cubic root of 289629953 is about 661.6289370025.

The spelling of 289629953 in words is "two hundred eighty-nine million, six hundred twenty-nine thousand, nine hundred fifty-three".