1043020493 has 2 divisors, whose sum is σ = 1043020494. Its totient is φ = 1043020492.

The previous prime is 1043020483. The next prime is 1043020541. The reversal of 1043020493 is 3940203401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1030538404 + 12482089 = 32102^2 + 3533^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043020493 - 2¹⁰ = 1043019469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043020483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521510246 + 521510247.

It is an arithmetic number, because the mean of its divisors is an integer number (521510247).

Almost surely, 2^1043020493 is an apocalyptic number.

It is an amenable number.

1043020493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043020493 is an equidigital number, since it uses as much as digits as its factorization.

1043020493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1043020493 is about 32295.8277955528. The cubic root of 1043020493 is about 1014.1393022235.

Adding to 1043020493 its reverse (3940203401), we get a palindrome (4983223894).

The spelling of 1043020493 in words is "one billion, forty-three million, twenty thousand, four hundred ninety-three".