289925099 has 2 divisors, whose sum is σ = 289925100. Its totient is φ = 289925098.

The previous prime is 289925029. The next prime is 289925101. The reversal of 289925099 is 990529982.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-289925099 is a prime.

Together with 289925101, it forms a pair of twin primes.

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 289925099.

It is not a weakly prime, because it can be changed into another prime (289925029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144962549 + 144962550.

It is an arithmetic number, because the mean of its divisors is an integer number (144962550).

Almost surely, 2^289925099 is an apocalyptic number.

289925099 is a deficient number, since it is larger than the sum of its proper divisors (1).

289925099 is an equidigital number, since it uses as much as digits as its factorization.

289925099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The square root of 289925099 is about 17027.1870548250. The cubic root of 289925099 is about 661.8536039585.

The spelling of 289925099 in words is "two hundred eighty-nine million, nine hundred twenty-five thousand, ninety-nine".