1265525 has 12 divisors (see below), whose sum is σ = 1583232. Its totient is φ = 1003440.

The previous prime is 1265521. The next prime is 1265527. The reversal of 1265525 is 5255621.

It is not a de Polignac number, because 1265525 - 2² = 1265521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1265494 and 1265503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5462 + ... + 5688.

It is an arithmetic number, because the mean of its divisors is an integer number (131936).

2^1265525 is an apocalyptic number.

It is an amenable number.

1265525 is a deficient number, since it is larger than the sum of its proper divisors (317707).

1265525 is a wasteful number, since it uses less digits than its factorization.

1265525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 455 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 1265525 is about 1124.9555546776. The cubic root of 1265525 is about 108.1658688100.

The spelling of 1265525 in words is "one million, two hundred sixty-five thousand, five hundred twenty-five".