7210117 has 2 divisors, whose sum is σ = 7210118. Its totient is φ = 7210116.

The previous prime is 7210061. The next prime is 7210123. The reversal of 7210117 is 7110127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3709476 + 3500641 = 1926^2 + 1871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7210117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7210094 and 7210103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7210187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3605058 + 3605059.

It is an arithmetic number, because the mean of its divisors is an integer number (3605059).

Almost surely, 2^7210117 is an apocalyptic number.

It is an amenable number.

7210117 is a deficient number, since it is larger than the sum of its proper divisors (1).

7210117 is an equidigital number, since it uses as much as digits as its factorization.

7210117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 7210117 is about 2685.1661028696. The cubic root of 7210117 is about 193.1882777045.

The spelling of 7210117 in words is "seven million, two hundred ten thousand, one hundred seventeen".