248257314543 has 12 divisors (see below), whose sum is σ = 385052161560. Its totient is φ = 141861322512.

The previous prime is 248257314533. The next prime is 248257314553. The reversal of 248257314543 is 345413752842.

It is an interprime number because it is at equal distance from previous prime (248257314533) and next prime (248257314553).

It is a de Polignac number, because none of the positive numbers 2^k-248257314543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 248257314492 and 248257314501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248257314533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844412488 + ... + 844412781.

It is an arithmetic number, because the mean of its divisors is an integer number (32087680130).

Almost surely, 2^248257314543 is an apocalyptic number.

248257314543 is a deficient number, since it is larger than the sum of its proper divisors (136794847017).

248257314543 is a wasteful number, since it uses less digits than its factorization.

248257314543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688825286 (or 1688825279 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 48.

The spelling of 248257314543 in words is "two hundred forty-eight billion, two hundred fifty-seven million, three hundred fourteen thousand, five hundred forty-three".