1043400097 has 2 divisors, whose sum is σ = 1043400098. Its totient is φ = 1043400096.

The previous prime is 1043400091. The next prime is 1043400161. The reversal of 1043400097 is 7900043401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 978500961 + 64899136 = 31281^2 + 8056^2 .

It is an emirp because it is prime and its reverse (7900043401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1043400097 - 2³ = 1043400089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043400091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521700048 + 521700049.

It is an arithmetic number, because the mean of its divisors is an integer number (521700049).

Almost surely, 2^1043400097 is an apocalyptic number.

It is an amenable number.

1043400097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043400097 is an equidigital number, since it uses as much as digits as its factorization.

1043400097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1043400097 is about 32301.7042429653. The cubic root of 1043400097 is about 1014.2623182283.

Adding to 1043400097 its reverse (7900043401), we get a palindrome (8943443498).

The spelling of 1043400097 in words is "one billion, forty-three million, four hundred thousand, ninety-seven".