1425375 has 48 divisors (see below), whose sum is σ = 2952768. Its totient is φ = 648000.

The previous prime is 1425371. The next prime is 1425427. The reversal of 1425375 is 5735241.

It is a happy number.

It is not a de Polignac number, because 1425375 - 2² = 1425371 is a prime.

It is a d-powerful number, because it can be written as 1 + 4⁹ + 2¹⁸ + 5⁸ + 3⁷ + 7⁶ + 5⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425371) 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 in 47 ways as a sum of consecutive naturals, for example, 7785 + ... + 7965.

It is an arithmetic number, because the mean of its divisors is an integer number (61516).

2^1425375 is an apocalyptic number.

1425375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1425375 is an abundant number, since it is smaller than the sum of its proper divisors (1527393).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1425375 is a wasteful number, since it uses less digits than its factorization.

1425375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 196 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 1425375 is about 1193.8906985147. The cubic root of 1425375 is about 112.5407259958.

The spelling of 1425375 in words is "one million, four hundred twenty-five thousand, three hundred seventy-five".