1401317 has 2 divisors, whose sum is σ = 1401318. Its totient is φ = 1401316.

The previous prime is 1401287. The next prime is 1401319. The reversal of 1401317 is 7131041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 919681 + 481636 = 959^2 + 694^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401317 - 2¹⁶ = 1335781 is a prime.

Together with 1401319, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401295 and 1401304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700658 + 700659.

It is an arithmetic number, because the mean of its divisors is an integer number (700659).

2^1401317 is an apocalyptic number.

It is an amenable number.

1401317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401317 is an equidigital number, since it uses as much as digits as its factorization.

1401317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1401317 is about 1183.7723598733. The cubic root of 1401317 is about 111.9039621031.

Adding to 1401317 its reverse (7131041), we get a palindrome (8532358).

The spelling of 1401317 in words is "one million, four hundred one thousand, three hundred seventeen".