1325015 has 4 divisors (see below), whose sum is σ = 1590024. Its totient is φ = 1060008.

The previous prime is 1325011. The next prime is 1325017. The reversal of 1325015 is 5105231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1325015 - 2² = 1325011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1324984 and 1325002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325011) 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 3 ways as a sum of consecutive naturals, for example, 132497 + ... + 132506.

It is an arithmetic number, because the mean of its divisors is an integer number (397506).

2^1325015 is an apocalyptic number.

1325015 is a deficient number, since it is larger than the sum of its proper divisors (265009).

1325015 is an equidigital number, since it uses as much as digits as its factorization.

1325015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265008.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1325015 is about 1151.0929588873. The cubic root of 1325015 is about 109.8348762195.

The spelling of 1325015 in words is "one million, three hundred twenty-five thousand, fifteen".