1048457393 has 2 divisors, whose sum is σ = 1048457394. Its totient is φ = 1048457392.

The previous prime is 1048457381. The next prime is 1048457441. The reversal of 1048457393 is 3937548401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 723448609 + 325008784 = 26897^2 + 18028^2 .

It is an emirp because it is prime and its reverse (3937548401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1048457393 - 2¹² = 1048453297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1048457363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524228696 + 524228697.

It is an arithmetic number, because the mean of its divisors is an integer number (524228697).

Almost surely, 2^1048457393 is an apocalyptic number.

It is an amenable number.

1048457393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048457393 is an equidigital number, since it uses as much as digits as its factorization.

1048457393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 1048457393 is about 32379.8918003134. The cubic root of 1048457393 is about 1015.8983667867.

The spelling of 1048457393 in words is "one billion, forty-eight million, four hundred fifty-seven thousand, three hundred ninety-three".