1425640063 has 2 divisors, whose sum is σ = 1425640064. Its totient is φ = 1425640062.

The previous prime is 1425640061. The next prime is 1425640109. The reversal of 1425640063 is 3600465241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1425640063 - 2¹ = 1425640061 is a prime.

Together with 1425640061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425640061) 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, 712820031 + 712820032.

It is an arithmetic number, because the mean of its divisors is an integer number (712820032).

Almost surely, 2^1425640063 is an apocalyptic number.

1425640063 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425640063 is an equidigital number, since it uses as much as digits as its factorization.

1425640063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1425640063 is about 37757.6490661164. The cubic root of 1425640063 is about 1125.4770159486.

The spelling of 1425640063 in words is "one billion, four hundred twenty-five million, six hundred forty thousand, sixty-three".