1302520325 has 12 divisors (see below), whose sum is σ = 1622247360. Its totient is φ = 1037421360.

The previous prime is 1302520313. The next prime is 1302520339. The reversal of 1302520325 is 5230252031.

It is not a de Polignac number, because 1302520325 - 2¹⁶ = 1302454789 is a prime.

1302520325 is a modest number, since divided by 20325 gives 13025 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1302520325.

It is a congruent number.

It is an unprimeable number.

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, 109085 + ... + 120434.

It is an arithmetic number, because the mean of its divisors is an integer number (135187280).

Almost surely, 2^1302520325 is an apocalyptic number.

It is an amenable number.

1302520325 is a deficient number, since it is larger than the sum of its proper divisors (319727035).

1302520325 is a wasteful number, since it uses less digits than its factorization.

1302520325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229756 (or 229751 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1302520325 is about 36090.4464505498. The cubic root of 1302520325 is about 1092.0977264196.

Adding to 1302520325 its reverse (5230252031), we get a palindrome (6532772356).

The spelling of 1302520325 in words is "one billion, three hundred two million, five hundred twenty thousand, three hundred twenty-five".