1528528 has 20 divisors (see below), whose sum is σ = 2999808. Its totient is φ = 754400.

The previous prime is 1528469. The next prime is 1528529. The reversal of 1528528 is 8258251.

It is a self number, because there is not a number n which added to its sum of digits gives 1528528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753 + ... + 1903.

2^1528528 is an apocalyptic number.

It is an amenable number.

1528528 is a deficient number, since it is larger than the sum of its proper divisors (1471280).

1528528 is a wasteful number, since it uses less digits than its factorization.

1528528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 1236 counting only the distinct ones).

The product of its digits is 6400, while the sum is 31.

The square root of 1528528 is about 1236.3365237669. The cubic root of 1528528 is about 115.1925696082.

It can be divided in two parts, 1 and 528528, that added together give a square (528529 = 727²).

The spelling of 1528528 in words is "one million, five hundred twenty-eight thousand, five hundred twenty-eight".