20141917 has 2 divisors, whose sum is σ = 20141918. Its totient is φ = 20141916.

The previous prime is 20141899. The next prime is 20141929. The reversal of 20141917 is 71914102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13060996 + 7080921 = 3614^2 + 2661^2 .

It is a cyclic number.

It is not a de Polignac number, because 20141917 - 2⁷ = 20141789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20141891 and 20141900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20141417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10070958 + 10070959.

It is an arithmetic number, because the mean of its divisors is an integer number (10070959).

Almost surely, 2^20141917 is an apocalyptic number.

It is an amenable number.

20141917 is a deficient number, since it is larger than the sum of its proper divisors (1).

20141917 is an equidigital number, since it uses as much as digits as its factorization.

20141917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 20141917 is about 4487.9747102674. The cubic root of 20141917 is about 272.0822856940.

The spelling of 20141917 in words is "twenty million, one hundred forty-one thousand, nine hundred seventeen".