299105057 has 2 divisors, whose sum is σ = 299105058. Its totient is φ = 299105056.

The previous prime is 299104997. The next prime is 299105203. The reversal of 299105057 is 750501992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223084096 + 76020961 = 14936^2 + 8719^2 .

It is a cyclic number.

It is not a de Polignac number, because 299105057 - 2²⁸ = 30669601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 299105057.

It is not a weakly prime, because it can be changed into another prime (299107057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149552528 + 149552529.

It is an arithmetic number, because the mean of its divisors is an integer number (149552529).

Almost surely, 2^299105057 is an apocalyptic number.

It is an amenable number.

299105057 is a deficient number, since it is larger than the sum of its proper divisors (1).

299105057 is an equidigital number, since it uses as much as digits as its factorization.

299105057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 299105057 is about 17294.6540005864. The cubic root of 299105057 is about 668.7666155711.

The spelling of 299105057 in words is "two hundred ninety-nine million, one hundred five thousand, fifty-seven".