201248797 has 2 divisors, whose sum is σ = 201248798. Its totient is φ = 201248796.

The previous prime is 201248759. The next prime is 201248837. The reversal of 201248797 is 797842102.

It is an a-pointer prime, because the next prime (201248837) can be obtained adding 201248797 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141943396 + 59305401 = 11914^2 + 7701^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201248797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201248297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100624398 + 100624399.

It is an arithmetic number, because the mean of its divisors is an integer number (100624399).

Almost surely, 2^201248797 is an apocalyptic number.

It is an amenable number.

201248797 is a deficient number, since it is larger than the sum of its proper divisors (1).

201248797 is an equidigital number, since it uses as much as digits as its factorization.

201248797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 201248797 is about 14186.2185588690. The cubic root of 201248797 is about 586.0181912605.

The spelling of 201248797 in words is "two hundred one million, two hundred forty-eight thousand, seven hundred ninety-seven".