247069 has 2 divisors, whose sum is σ = 247070. Its totient is φ = 247068.

The previous prime is 247067. The next prime is 247073. The reversal of 247069 is 960742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191844 + 55225 = 438^2 + 235^2 .

It is a cyclic number.

It is not a de Polignac number, because 247069 - 2¹ = 247067 is a prime.

It is a super-2 number, since 2×247069² = 122086181522, which contains 22 as substring.

Together with 247067, it forms a pair of twin primes.

247069 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123534 + 123535.

It is an arithmetic number, because the mean of its divisors is an integer number (123535).

247069 is a Friedman number, since it can be written as 497^2+60, using all its digits and the basic arithmetic operations.

2²⁴⁷⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

247069 is a deficient number, since it is larger than the sum of its proper divisors (1).

247069 is an equidigital number, since it uses as much as digits as its factorization.

247069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 247069 is about 497.0603585079. The cubic root of 247069 is about 62.7488955007.

The spelling of 247069 in words is "two hundred forty-seven thousand, sixty-nine".