1015825 has 12 divisors (see below), whose sum is σ = 1272240. Its totient is φ = 804560.

The previous prime is 1015823. The next prime is 1015829. The reversal of 1015825 is 5285101.

It is not a de Polignac number, because 1015825 - 2¹ = 1015823 is a prime.

1015825 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1015796 and 1015805.

It is not an unprimeable number, because it can be changed into a prime (1015823) 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 11 ways as a sum of consecutive naturals, for example, 4362 + ... + 4588.

It is an arithmetic number, because the mean of its divisors is an integer number (106020).

2^1015825 is an apocalyptic number.

It is an amenable number.

1015825 is a deficient number, since it is larger than the sum of its proper divisors (256415).

1015825 is a wasteful number, since it uses less digits than its factorization.

1015825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1015825 is about 1007.8814414404. The cubic root of 1015825 is about 100.5247416457.

The spelling of 1015825 in words is "one million, fifteen thousand, eight hundred twenty-five".