901117697 has 2 divisors, whose sum is σ = 901117698. Its totient is φ = 901117696.

The previous prime is 901117663. The next prime is 901117733. The reversal of 901117697 is 796711109.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 845704561 + 55413136 = 29081^2 + 7444^2 .

It is a cyclic number.

It is not a de Polignac number, because 901117697 - 2¹⁰ = 901116673 is a prime.

It is not a weakly prime, because it can be changed into another prime (901111697) 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, 450558848 + 450558849.

It is an arithmetic number, because the mean of its divisors is an integer number (450558849).

Almost surely, 2^901117697 is an apocalyptic number.

It is an amenable number.

901117697 is a deficient number, since it is larger than the sum of its proper divisors (1).

901117697 is an equidigital number, since it uses as much as digits as its factorization.

901117697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 41.

The square root of 901117697 is about 30018.6225033728. The cubic root of 901117697 is about 965.8888950428. Note that the first 4 decimals are identical.

The spelling of 901117697 in words is "nine hundred one million, one hundred seventeen thousand, six hundred ninety-seven".