1265825 has 12 divisors (see below), whose sum is σ = 1712688. Its totient is φ = 920400.

The previous prime is 1265813. The next prime is 1265827. The reversal of 1265825 is 5285621.

It is not a de Polignac number, because 1265825 - 2¹⁰ = 1264801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1265827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2027 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (142724).

2^1265825 is an apocalyptic number.

It is an amenable number.

1265825 is a deficient number, since it is larger than the sum of its proper divisors (446863).

1265825 is a wasteful number, since it uses less digits than its factorization.

1265825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624 (or 4619 counting only the distinct ones).

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

The square root of 1265825 is about 1125.0888853775. The cubic root of 1265825 is about 108.1744152490.

The spelling of 1265825 in words is "one million, two hundred sixty-five thousand, eight hundred twenty-five".