1325656463 has 4 divisors (see below), whose sum is σ = 1325965080. Its totient is φ = 1325347848.

The previous prime is 1325656459. The next prime is 1325656487. The reversal of 1325656463 is 3646565231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3646565231 = 2143 ⋅1701617.

It is a cyclic number.

It is not a de Polignac number, because 1325656463 - 2² = 1325656459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1325656463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325656433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147773 + ... + 156486.

It is an arithmetic number, because the mean of its divisors is an integer number (331491270).

Almost surely, 2^1325656463 is an apocalyptic number.

1325656463 is a deficient number, since it is larger than the sum of its proper divisors (308617).

1325656463 is an equidigital number, since it uses as much as digits as its factorization.

1325656463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308616.

The product of its digits is 388800, while the sum is 41.

The square root of 1325656463 is about 36409.5655425878. The cubic root of 1325656463 is about 1098.5259769000.

The spelling of 1325656463 in words is "one billion, three hundred twenty-five million, six hundred fifty-six thousand, four hundred sixty-three".