248567069 has 2 divisors, whose sum is σ = 248567070. Its totient is φ = 248567068.

The previous prime is 248567027. The next prime is 248567071. The reversal of 248567069 is 960765842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244547044 + 4020025 = 15638^2 + 2005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248567069 is a prime.

It is a super-2 number, since 2×248567069² = 123571175582501522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 248567071, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248567089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124283534 + 124283535.

It is an arithmetic number, because the mean of its divisors is an integer number (124283535).

Almost surely, 2^248567069 is an apocalyptic number.

It is an amenable number.

248567069 is a deficient number, since it is larger than the sum of its proper divisors (1).

248567069 is an equidigital number, since it uses as much as digits as its factorization.

248567069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 248567069 is about 15766.0099264208. The cubic root of 248567069 is about 628.7546314349.

The spelling of 248567069 in words is "two hundred forty-eight million, five hundred sixty-seven thousand, sixty-nine".