1463531265 has 48 divisors (see below), whose sum is σ = 2958384000. Its totient is φ = 669035808.

The previous prime is 1463531257. The next prime is 1463531269. The reversal of 1463531265 is 5621353641.

1463531265 is a `hidden beast` number, since 1 + 4 + 63 + 531 + 2 + 65 = 666.

It is not a de Polignac number, because 1463531265 - 2³ = 1463531257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1463531269) 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 47 ways as a sum of consecutive naturals, for example, 31975 + ... + 62844.

It is an arithmetic number, because the mean of its divisors is an integer number (61633000).

Almost surely, 2^1463531265 is an apocalyptic number.

1463531265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1463531265 is an abundant number, since it is smaller than the sum of its proper divisors (1494852735).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1463531265 is an equidigital number, since it uses as much as digits as its factorization.

1463531265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94851 (or 94834 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 1463531265 is about 38256.1271563131. The cubic root of 1463531265 is about 1135.3610771980.

The spelling of 1463531265 in words is "one billion, four hundred sixty-three million, five hundred thirty-one thousand, two hundred sixty-five".