248784493 has 2 divisors, whose sum is σ = 248784494. Its totient is φ = 248784492.

The previous prime is 248784479. The next prime is 248784539. The reversal of 248784493 is 394487842.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183142089 + 65642404 = 13533^2 + 8102^2 .

It is a cyclic number.

It is not a de Polignac number, because 248784493 - 2¹³ = 248776301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248784463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124392246 + 124392247.

It is an arithmetic number, because the mean of its divisors is an integer number (124392247).

Almost surely, 2^248784493 is an apocalyptic number.

It is an amenable number.

248784493 is a deficient number, since it is larger than the sum of its proper divisors (1).

248784493 is an equidigital number, since it uses as much as digits as its factorization.

248784493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 49.

The square root of 248784493 is about 15772.9037592956. The cubic root of 248784493 is about 628.9379039113.

The spelling of 248784493 in words is "two hundred forty-eight million, seven hundred eighty-four thousand, four hundred ninety-three".