1425423767 has 2 divisors, whose sum is σ = 1425423768. Its totient is φ = 1425423766.

The previous prime is 1425423763. The next prime is 1425423787. The reversal of 1425423767 is 7673245241.

It is a weak prime.

It is an emirp because it is prime and its reverse (7673245241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1425423767 - 2² = 1425423763 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425423763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712711883 + 712711884.

It is an arithmetic number, because the mean of its divisors is an integer number (712711884).

Almost surely, 2^1425423767 is an apocalyptic number.

1425423767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425423767 is an equidigital number, since it uses as much as digits as its factorization.

1425423767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 41.

The square root of 1425423767 is about 37754.7846901555. The cubic root of 1425423767 is about 1125.4200945009.

The spelling of 1425423767 in words is "one billion, four hundred twenty-five million, four hundred twenty-three thousand, seven hundred sixty-seven".