1425504 has 48 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 458880.

The previous prime is 1425503. The next prime is 1425511. The reversal of 1425504 is 4055241.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2737 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2^1425504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1935360).

1425504 is an abundant number, since it is smaller than the sum of its proper divisors (2445216).

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

1425504 is a wasteful number, since it uses less digits than its factorization.

1425504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1425504 is about 1193.9447223385. The cubic root of 1425504 is about 112.5441209657.

The spelling of 1425504 in words is "one million, four hundred twenty-five thousand, five hundred four".