1425285 has 24 divisors (see below), whose sum is σ = 2602080. Its totient is φ = 719712.

The previous prime is 1425271. The next prime is 1425293. The reversal of 1425285 is 5825241.

It is a happy number.

It is not a de Polignac number, because 1425285 - 2⁵ = 1425253 is a prime.

It is a Curzon number.

1425285 is a lucky number.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 22 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (108420).

2^1425285 is an apocalyptic number.

1425285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1425285 is a deficient number, since it is larger than the sum of its proper divisors (1176795).

1425285 is a wasteful number, since it uses less digits than its factorization.

1425285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1694 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1425285 is about 1193.8530060271. The cubic root of 1425285 is about 112.5383572908.

The spelling of 1425285 in words is "one million, four hundred twenty-five thousand, two hundred eighty-five".