1023225439 has 2 divisors, whose sum is σ = 1023225440. Its totient is φ = 1023225438.

The previous prime is 1023225431. The next prime is 1023225457. The reversal of 1023225439 is 9345223201.

It is a weak prime.

It is an emirp because it is prime and its reverse (9345223201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023225439 - 2³ = 1023225431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023225439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023225431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511612719 + 511612720.

It is an arithmetic number, because the mean of its divisors is an integer number (511612720).

Almost surely, 2^1023225439 is an apocalyptic number.

1023225439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023225439 is an equidigital number, since it uses as much as digits as its factorization.

1023225439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1023225439 is about 31987.8951949015. The cubic root of 1023225439 is about 1007.6826389088.

The spelling of 1023225439 in words is "one billion, twenty-three million, two hundred twenty-five thousand, four hundred thirty-nine".