1325647365 has 32 divisors (see below), whose sum is σ = 2453262336. Its totient is φ = 598704960.

The previous prime is 1325647339. The next prime is 1325647373. The reversal of 1325647365 is 5637465231.

It is not a de Polignac number, because 1325647365 - 2⁷ = 1325647237 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 67341 + ... + 84770.

It is an arithmetic number, because the mean of its divisors is an integer number (76664448).

Almost surely, 2^1325647365 is an apocalyptic number.

1325647365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1325647365 is a deficient number, since it is larger than the sum of its proper divisors (1127614971).

1325647365 is a wasteful number, since it uses less digits than its factorization.

1325647365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152209.

The product of its digits is 453600, while the sum is 42.

The square root of 1325647365 is about 36409.4406026789. The cubic root of 1325647365 is about 1098.5234638276.

The spelling of 1325647365 in words is "one billion, three hundred twenty-five million, six hundred forty-seven thousand, three hundred sixty-five".