1966825 has 12 divisors (see below), whose sum is σ = 2787520. Its totient is φ = 1348560.

The previous prime is 1966819. The next prime is 1966831. The reversal of 1966825 is 5286691.

It is an interprime number because it is at equal distance from previous prime (1966819) and next prime (1966831).

It is not a de Polignac number, because 1966825 - 2³ = 1966817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5445 + ... + 5794.

2^1966825 is an apocalyptic number.

It is an amenable number.

1966825 is a deficient number, since it is larger than the sum of its proper divisors (820695).

1966825 is a wasteful number, since it uses less digits than its factorization.

1966825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11256 (or 11251 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 1966825 is about 1402.4353817556. The cubic root of 1966825 is about 125.2915859588.

It can be divided in two parts, 196 and 6825, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 1966825 in words is "one million, nine hundred sixty-six thousand, eight hundred twenty-five".