1425528 has 48 divisors (see below), whose sum is σ = 4160520. Its totient is φ = 438336.

The previous prime is 1425527. The next prime is 1425539. The reversal of 1425528 is 8255241.

It is a happy number.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175 + ... + 1697.

2^1425528 is an apocalyptic number.

1425528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1425528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080260).

1425528 is an abundant number, since it is smaller than the sum of its proper divisors (2734992).

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

1425528 is a wasteful number, since it uses less digits than its factorization.

1425528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548 (or 1541 counting only the distinct ones).

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

The square root of 1425528 is about 1193.9547730128. The cubic root of 1425528 is about 112.5447525654.

It can be divided in two parts, 1425 and 528, that added together give a triangular number (1953 = T₆₂).

The spelling of 1425528 in words is "one million, four hundred twenty-five thousand, five hundred twenty-eight".