1306525 has 12 divisors (see below), whose sum is σ = 1767744. Its totient is φ = 950000.

The previous prime is 1306519. The next prime is 1306541. The reversal of 1306525 is 5256031.

It is a happy number.

It is not a de Polignac number, because 1306525 - 2³ = 1306517 is a prime.

1306525 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1306496 and 1306505.

It is a congruent number.

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, 2101 + ... + 2650.

It is an arithmetic number, because the mean of its divisors is an integer number (147312).

2^1306525 is an apocalyptic number.

It is an amenable number.

1306525 is a deficient number, since it is larger than the sum of its proper divisors (461219).

1306525 is a wasteful number, since it uses less digits than its factorization.

1306525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772 (or 4767 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1306525 is about 1143.0332453608. The cubic root of 1306525 is about 109.3215820786.

The spelling of 1306525 in words is "one million, three hundred six thousand, five hundred twenty-five".