1463382521 has 4 divisors (see below), whose sum is σ = 1527007872. Its totient is φ = 1399757172.

The previous prime is 1463382509. The next prime is 1463382539. The reversal of 1463382521 is 1252833641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1252833641 = 3511 ⋅356831.

It is a cyclic number.

It is not a de Polignac number, because 1463382521 - 2¹⁸ = 1463120377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1463382581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31812641 + ... + 31812686.

It is an arithmetic number, because the mean of its divisors is an integer number (381751968).

Almost surely, 2^1463382521 is an apocalyptic number.

It is an amenable number.

1463382521 is a deficient number, since it is larger than the sum of its proper divisors (63625351).

1463382521 is an equidigital number, since it uses as much as digits as its factorization.

1463382521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63625350.

The product of its digits is 34560, while the sum is 35.

The square root of 1463382521 is about 38254.1830523147. The cubic root of 1463382521 is about 1135.3226122710.

The spelling of 1463382521 in words is "one billion, four hundred sixty-three million, three hundred eighty-two thousand, five hundred twenty-one".