7275217 has 2 divisors, whose sum is σ = 7275218. Its totient is φ = 7275216.

The previous prime is 7275211. The next prime is 7275221. The reversal of 7275217 is 7125727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4330561 + 2944656 = 2081^2 + 1716^2 .

It is a cyclic number.

It is not a de Polignac number, because 7275217 - 2³ = 7275209 is a prime.

It is not a weakly prime, because it can be changed into another prime (7275211) 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, 3637608 + 3637609.

It is an arithmetic number, because the mean of its divisors is an integer number (3637609).

Almost surely, 2^7275217 is an apocalyptic number.

It is an amenable number.

7275217 is a deficient number, since it is larger than the sum of its proper divisors (1).

7275217 is an equidigital number, since it uses as much as digits as its factorization.

7275217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6860, while the sum is 31.

The square root of 7275217 is about 2697.2610181441. The cubic root of 7275217 is about 193.7679675325.

The spelling of 7275217 in words is "seven million, two hundred seventy-five thousand, two hundred seventeen".