1040789597 has 2 divisors, whose sum is σ = 1040789598. Its totient is φ = 1040789596.

The previous prime is 1040789579. The next prime is 1040789599. The reversal of 1040789597 is 7959870401.

Together with previous prime (1040789579) 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., 1040127001 + 662596 = 32251^2 + 814^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040789597 - 2⁸ = 1040789341 is a prime.

Together with 1040789599, 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 (1040789599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520394798 + 520394799.

It is an arithmetic number, because the mean of its divisors is an integer number (520394799).

Almost surely, 2^1040789597 is an apocalyptic number.

It is an amenable number.

1040789597 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040789597 is an equidigital number, since it uses as much as digits as its factorization.

1040789597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 1040789597 is about 32261.2708522154. The cubic root of 1040789597 is about 1013.4157452476.

The spelling of 1040789597 in words is "one billion, forty million, seven hundred eighty-nine thousand, five hundred ninety-seven".