1025423039 has 2 divisors, whose sum is σ = 1025423040. Its totient is φ = 1025423038.

The previous prime is 1025423033. The next prime is 1025423071. The reversal of 1025423039 is 9303245201.

It is a weak prime.

It is an emirp because it is prime and its reverse (9303245201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1025423039 - 2¹² = 1025418943 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025423033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512711519 + 512711520.

It is an arithmetic number, because the mean of its divisors is an integer number (512711520).

Almost surely, 2^1025423039 is an apocalyptic number.

1025423039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025423039 is an equidigital number, since it uses as much as digits as its factorization.

1025423039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1025423039 is about 32022.2272648234. The cubic root of 1025423039 is about 1008.4035292130.

The spelling of 1025423039 in words is "one billion, twenty-five million, four hundred twenty-three thousand, thirty-nine".