1425863 has 2 divisors, whose sum is σ = 1425864. Its totient is φ = 1425862.

The previous prime is 1425821. The next prime is 1425877. The reversal of 1425863 is 3685241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1425863 - 2⁸ = 1425607 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 (1425883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712931 + 712932.

It is an arithmetic number, because the mean of its divisors is an integer number (712932).

2^1425863 is an apocalyptic number.

1425863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425863 is an equidigital number, since it uses as much as digits as its factorization.

1425863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 1425863 is about 1194.0950548428. The cubic root of 1425863 is about 112.5535679047.

The spelling of 1425863 in words is "one million, four hundred twenty-five thousand, eight hundred sixty-three".