248584512641 has 4 divisors (see below), whose sum is σ = 249551767812. Its totient is φ = 247617257472.

The previous prime is 248584512637. The next prime is 248584512667. The reversal of 248584512641 is 146215485842.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 238799346241 + 9785166400 = 488671^2 + 98920^2 .

It is a cyclic number.

It is not a de Polignac number, because 248584512641 - 2² = 248584512637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248584512641.

It is not an unprimeable number, because it can be changed into a prime (248584517641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483627200 + ... + 483627713.

It is an arithmetic number, because the mean of its divisors is an integer number (62387941953).

Almost surely, 2^248584512641 is an apocalyptic number.

It is an amenable number.

248584512641 is a deficient number, since it is larger than the sum of its proper divisors (967255171).

248584512641 is an equidigital number, since it uses as much as digits as its factorization.

248584512641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967255170.

The product of its digits is 2457600, while the sum is 50.

The spelling of 248584512641 in words is "two hundred forty-eight billion, five hundred eighty-four million, five hundred twelve thousand, six hundred forty-one".