1323307525 has 6 divisors (see below), whose sum is σ = 1640901362. Its totient is φ = 1058646000.

The previous prime is 1323307511. The next prime is 1323307537. The reversal of 1323307525 is 5257033231.

It can be written as a sum of positive squares in 3 ways, for example, as 131262849 + 1192044676 = 11457^2 + 34526^2 .

It is not a de Polignac number, because 1323307525 - 2¹³ = 1323299333 is a prime.

It is a super-2 number, since 2×1323307525² = 3502285611443251250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26466126 + ... + 26466175.

Almost surely, 2^1323307525 is an apocalyptic number.

It is an amenable number.

1323307525 is a deficient number, since it is larger than the sum of its proper divisors (317593837).

1323307525 is an equidigital number, since it uses as much as digits as its factorization.

1323307525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52932311 (or 52932306 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 1323307525 is about 36377.2940857343. The cubic root of 1323307525 is about 1097.8767652221.

The spelling of 1323307525 in words is "one billion, three hundred twenty-three million, three hundred seven thousand, five hundred twenty-five".