2317121 has 2 divisors, whose sum is σ = 2317122. Its totient is φ = 2317120.

The previous prime is 2317109. The next prime is 2317123. The reversal of 2317121 is 1217132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2062096 + 255025 = 1436^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2317121 - 2⁶ = 2317057 is a prime.

Together with 2317123, it forms a pair of twin primes.

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 2317121.

It is not a weakly prime, because it can be changed into another prime (2317123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1158560 + 1158561.

It is an arithmetic number, because the mean of its divisors is an integer number (1158561).

2^2317121 is an apocalyptic number.

It is an amenable number.

2317121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2317121 is an equidigital number, since it uses as much as digits as its factorization.

2317121 is an evil number, because the sum of its binary digits is even.

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

The square root of 2317121 is about 1522.2092497420. The cubic root of 2317121 is about 132.3273365061.

It can be divided in two parts, 23171 and 21, that multiplied together give a triangular number (486591 = T₉₈₆).

The spelling of 2317121 in words is "two million, three hundred seventeen thousand, one hundred twenty-one".