1572825 has 24 divisors (see below), whose sum is σ = 2647648. Its totient is φ = 823680.

The previous prime is 1572821. The next prime is 1572841. The reversal of 1572825 is 5282751.

It is not a de Polignac number, because 1572825 - 2² = 1572821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1572792 and 1572801.

It is not an unprimeable number, because it can be changed into a prime (1572821) 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 23 ways as a sum of consecutive naturals, for example, 4869 + ... + 5181.

2^1572825 is an apocalyptic number.

1572825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1572825 is a deficient number, since it is larger than the sum of its proper divisors (1074823).

1572825 is a wasteful number, since it uses less digits than its factorization.

1572825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 388 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 1572825 is about 1254.1231996897. The cubic root of 1572825 is about 116.2947567286.

It can be divided in two parts, 15728 and 25, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 1572825 in words is "one million, five hundred seventy-two thousand, eight hundred twenty-five".