799001257 has 2 divisors, whose sum is σ = 799001258. Its totient is φ = 799001256.

The previous prime is 799001251. The next prime is 799001311. The reversal of 799001257 is 752100997.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472801536 + 326199721 = 21744^2 + 18061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-799001257 is a prime.

It is not a weakly prime, because it can be changed into another prime (799001251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399500628 + 399500629.

It is an arithmetic number, because the mean of its divisors is an integer number (399500629).

Almost surely, 2^799001257 is an apocalyptic number.

It is an amenable number.

799001257 is a deficient number, since it is larger than the sum of its proper divisors (1).

799001257 is an equidigital number, since it uses as much as digits as its factorization.

799001257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 799001257 is about 28266.6102849280. The cubic root of 799001257 is about 927.9312929866.

The spelling of 799001257 in words is "seven hundred ninety-nine million, one thousand, two hundred fifty-seven".