1365320425 has 24 divisors (see below), whose sum is σ = 1937143872. Its totient is φ = 935112000.

The previous prime is 1365320419. The next prime is 1365320441. The reversal of 1365320425 is 5240235631.

It is a happy number.

It is not a de Polignac number, because 1365320425 - 2⁵ = 1365320393 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 160530 + ... + 168820.

It is an arithmetic number, because the mean of its divisors is an integer number (80714328).

Almost surely, 2^1365320425 is an apocalyptic number.

It is an amenable number.

1365320425 is a deficient number, since it is larger than the sum of its proper divisors (571823447).

1365320425 is an equidigital number, since it uses as much as digits as its factorization.

1365320425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9249 (or 9244 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 1365320425 is about 36950.2425567140. The cubic root of 1365320425 is about 1109.3745428022.

The spelling of 1365320425 in words is "one billion, three hundred sixty-five million, three hundred twenty thousand, four hundred twenty-five".