289799953 has 2 divisors, whose sum is σ = 289799954. Its totient is φ = 289799952.

The previous prime is 289799941. The next prime is 289800029. The reversal of 289799953 is 359997982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289782529 + 17424 = 17023^2 + 132^2 .

It is a cyclic number.

It is not a de Polignac number, because 289799953 - 2⁵ = 289799921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 289799891 and 289799900.

It is not a weakly prime, because it can be changed into another prime (289799933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144899976 + 144899977.

It is an arithmetic number, because the mean of its divisors is an integer number (144899977).

Almost surely, 2^289799953 is an apocalyptic number.

It is an amenable number.

289799953 is a deficient number, since it is larger than the sum of its proper divisors (1).

289799953 is an equidigital number, since it uses as much as digits as its factorization.

289799953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11022480, while the sum is 61.

The square root of 289799953 is about 17023.5117704897. The cubic root of 289799953 is about 661.7583606792.

The spelling of 289799953 in words is "two hundred eighty-nine million, seven hundred ninety-nine thousand, nine hundred fifty-three".