1428281425 has 12 divisors (see below), whose sum is σ = 1775906176. Its totient is φ = 1139504400.

The previous prime is 1428281423. The next prime is 1428281429. The reversal of 1428281425 is 5241828241.

It is not a de Polignac number, because 1428281425 - 2¹ = 1428281423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428281423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68661 + ... + 87010.

Almost surely, 2^1428281425 is an apocalyptic number.

It is an amenable number.

1428281425 is a deficient number, since it is larger than the sum of its proper divisors (347624751).

1428281425 is a wasteful number, since it uses less digits than its factorization.

1428281425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156048 (or 156043 counting only the distinct ones).

The product of its digits is 40960, while the sum is 37.

The square root of 1428281425 is about 37792.6107195573. The cubic root of 1428281425 is about 1126.1716649076.

The spelling of 1428281425 in words is "one billion, four hundred twenty-eight million, two hundred eighty-one thousand, four hundred twenty-five".