248799493 has 2 divisors, whose sum is σ = 248799494. Its totient is φ = 248799492.

The previous prime is 248799479. The next prime is 248799517. The reversal of 248799493 is 394997842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194379364 + 54420129 = 13942^2 + 7377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248799493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248799413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124399746 + 124399747.

It is an arithmetic number, because the mean of its divisors is an integer number (124399747).

Almost surely, 2^248799493 is an apocalyptic number.

It is an amenable number.

248799493 is a deficient number, since it is larger than the sum of its proper divisors (1).

248799493 is an equidigital number, since it uses as much as digits as its factorization.

248799493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 55.

The square root of 248799493 is about 15773.3792511307. The cubic root of 248799493 is about 628.9505438724.

The spelling of 248799493 in words is "two hundred forty-eight million, seven hundred ninety-nine thousand, four hundred ninety-three".