1425085679 has 2 divisors, whose sum is σ = 1425085680. Its totient is φ = 1425085678.

The previous prime is 1425085657. The next prime is 1425085733. The reversal of 1425085679 is 9765805241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1425085679 - 2²⁸ = 1156650223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425085619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712542839 + 712542840.

It is an arithmetic number, because the mean of its divisors is an integer number (712542840).

Almost surely, 2^1425085679 is an apocalyptic number.

1425085679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425085679 is an equidigital number, since it uses as much as digits as its factorization.

1425085679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 47.

The square root of 1425085679 is about 37750.3070053741. The cubic root of 1425085679 is about 1125.3311101759.

The spelling of 1425085679 in words is "one billion, four hundred twenty-five million, eighty-five thousand, six hundred seventy-nine".