247301 has 2 divisors, whose sum is σ = 247302. Its totient is φ = 247300.

The previous prime is 247279. The next prime is 247309. The reversal of 247301 is 103742.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172225 + 75076 = 415^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 247301 - 2¹⁰ = 246277 is a prime.

It is a super-2 number, since 2×247301² = 122315569202, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 247301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123650 + 123651.

It is an arithmetic number, because the mean of its divisors is an integer number (123651).

247301 is a Friedman number, since it can be written as 103*7^4-2, using all its digits and the basic arithmetic operations.

2²⁴⁷³⁰¹ is an apocalyptic number.

It is an amenable number.

247301 is a deficient number, since it is larger than the sum of its proper divisors (1).

247301 is an equidigital number, since it uses as much as digits as its factorization.

247301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 247301 is about 497.2936758094. The cubic root of 247301 is about 62.7685299477.

It can be divided in two parts, 247 and 301, that multiplied together give a palindrome (74347).

The spelling of 247301 in words is "two hundred forty-seven thousand, three hundred one", and thus it is an iban number.