813762097 has 2 divisors, whose sum is σ = 813762098. Its totient is φ = 813762096.

The previous prime is 813762091. The next prime is 813762113. The reversal of 813762097 is 790267318.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 806787216 + 6974881 = 28404^2 + 2641^2 .

It is a cyclic number.

It is not a de Polignac number, because 813762097 - 2⁷ = 813761969 is a prime.

It is not a weakly prime, because it can be changed into another prime (813762091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406881048 + 406881049.

It is an arithmetic number, because the mean of its divisors is an integer number (406881049).

Almost surely, 2^813762097 is an apocalyptic number.

It is an amenable number.

813762097 is a deficient number, since it is larger than the sum of its proper divisors (1).

813762097 is an equidigital number, since it uses as much as digits as its factorization.

813762097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 813762097 is about 28526.5156827819. The cubic root of 813762097 is about 933.6106973137.

The spelling of 813762097 in words is "eight hundred thirteen million, seven hundred sixty-two thousand, ninety-seven".