1528625 has 16 divisors (see below), whose sum is σ = 2181504. Its totient is φ = 1047600.

The previous prime is 1528621. The next prime is 1528627. The reversal of 1528625 is 5268251.

It is not a de Polignac number, because 1528625 - 2² = 1528621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1528621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2 + ... + 1748.

It is an arithmetic number, because the mean of its divisors is an integer number (136344).

2^1528625 is an apocalyptic number.

It is an amenable number.

1528625 is a deficient number, since it is larger than the sum of its proper divisors (652879).

1528625 is an equidigital number, since it uses as much as digits as its factorization.

1528625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769 (or 1759 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 1528625 is about 1236.3757519460. The cubic root of 1528625 is about 115.1950062538.

The spelling of 1528625 in words is "one million, five hundred twenty-eight thousand, six hundred twenty-five".