1043500397 has 2 divisors, whose sum is σ = 1043500398. Its totient is φ = 1043500396.

The previous prime is 1043500379. The next prime is 1043500399. The reversal of 1043500397 is 7930053401.

It is a happy number.

Together with previous prime (1043500379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990297961 + 53202436 = 31469^2 + 7294^2 .

It is an emirp because it is prime and its reverse (7930053401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1043500397 - 2⁶ = 1043500333 is a prime.

Together with 1043500399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043500399) 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, 521750198 + 521750199.

It is an arithmetic number, because the mean of its divisors is an integer number (521750199).

Almost surely, 2^1043500397 is an apocalyptic number.

It is an amenable number.

1043500397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043500397 is an equidigital number, since it uses as much as digits as its factorization.

1043500397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 1043500397 is about 32303.2567553180. The cubic root of 1043500397 is about 1014.2948168679.

Adding to 1043500397 its reverse (7930053401), we get a palindrome (8973553798).

The spelling of 1043500397 in words is "one billion, forty-three million, five hundred thousand, three hundred ninety-seven".