1463521203 has 48 divisors (see below), whose sum is σ = 2258780160. Its totient is φ = 946463616.

The previous prime is 1463521181. The next prime is 1463521217. The reversal of 1463521203 is 3021253641.

1463521203 is a `hidden beast` number, since 1 + 4 + 635 + 2 + 1 + 20 + 3 = 666.

It is not a de Polignac number, because 1463521203 - 2⁹ = 1463520691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1463521603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1449963 + ... + 1450971.

It is an arithmetic number, because the mean of its divisors is an integer number (47057920).

Almost surely, 2^1463521203 is an apocalyptic number.

1463521203 is a deficient number, since it is larger than the sum of its proper divisors (795258957).

1463521203 is a wasteful number, since it uses less digits than its factorization.

1463521203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1463521203 is about 38255.9956477413. The cubic root of 1463521203 is about 1135.3584752653.

Adding to 1463521203 its reverse (3021253641), we get a palindrome (4484774844).

The spelling of 1463521203 in words is "one billion, four hundred sixty-three million, five hundred twenty-one thousand, two hundred three".