248128577 has 4 divisors (see below), whose sum is σ = 258916800. Its totient is φ = 237340356.

The previous prime is 248128519. The next prime is 248128579. The reversal of 248128577 is 775821842.

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.

It is a cyclic number.

It is not a de Polignac number, because 248128577 - 2¹⁰ = 248127553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248128579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5394077 + ... + 5394122.

It is an arithmetic number, because the mean of its divisors is an integer number (64729200).

Almost surely, 2^248128577 is an apocalyptic number.

It is an amenable number.

248128577 is a deficient number, since it is larger than the sum of its proper divisors (10788223).

248128577 is a wasteful number, since it uses less digits than its factorization.

248128577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10788222.

The product of its digits is 250880, while the sum is 44.

The square root of 248128577 is about 15752.0975428671. The cubic root of 248128577 is about 628.3846894883.

The spelling of 248128577 in words is "two hundred forty-eight million, one hundred twenty-eight thousand, five hundred seventy-seven".