248269969 has 2 divisors, whose sum is σ = 248269970. Its totient is φ = 248269968.

The previous prime is 248269961. The next prime is 248269991. The reversal of 248269969 is 969962842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214769025 + 33500944 = 14655^2 + 5788^2 .

It is a cyclic number.

It is not a de Polignac number, because 248269969 - 2³ = 248269961 is a prime.

It is a super-2 number, since 2×248269969² = 123275955014521922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (248269961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124134984 + 124134985.

It is an arithmetic number, because the mean of its divisors is an integer number (124134985).

Almost surely, 2^248269969 is an apocalyptic number.

It is an amenable number.

248269969 is a deficient number, since it is larger than the sum of its proper divisors (1).

248269969 is an equidigital number, since it uses as much as digits as its factorization.

248269969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 55.

The square root of 248269969 is about 15756.5849409065. The cubic root of 248269969 is about 628.5040250604.

The spelling of 248269969 in words is "two hundred forty-eight million, two hundred sixty-nine thousand, nine hundred sixty-nine".