901017317 has 2 divisors, whose sum is σ = 901017318. Its totient is φ = 901017316.

The previous prime is 901017283. The next prime is 901017329. The reversal of 901017317 is 713710109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 890783716 + 10233601 = 29846^2 + 3199^2 .

It is a cyclic number.

It is not a de Polignac number, because 901017317 - 2²² = 896823013 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 901017317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (901017347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450508658 + 450508659.

It is an arithmetic number, because the mean of its divisors is an integer number (450508659).

Almost surely, 2^901017317 is an apocalyptic number.

It is an amenable number.

901017317 is a deficient number, since it is larger than the sum of its proper divisors (1).

901017317 is an equidigital number, since it uses as much as digits as its factorization.

901017317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323, while the sum is 29.

The square root of 901017317 is about 30016.9504946788. The cubic root of 901017317 is about 965.8530286486.

The spelling of 901017317 in words is "nine hundred one million, seventeen thousand, three hundred seventeen".