248409269 has 4 divisors (see below), whose sum is σ = 259209696. Its totient is φ = 237608844.

The previous prime is 248409247. The next prime is 248409299. The reversal of 248409269 is 962904842.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 962904842 = 2 ⋅481452421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248409269 is a prime.

It is a super-3 number, since 3×248409269³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248409299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5400179 + ... + 5400224.

It is an arithmetic number, because the mean of its divisors is an integer number (64802424).

Almost surely, 2^248409269 is an apocalyptic number.

It is an amenable number.

248409269 is a deficient number, since it is larger than the sum of its proper divisors (10800427).

248409269 is a wasteful number, since it uses less digits than its factorization.

248409269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10800426.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 248409269 is about 15761.0046951329. The cubic root of 248409269 is about 628.6215506741.

The spelling of 248409269 in words is "two hundred forty-eight million, four hundred nine thousand, two hundred sixty-nine".