65481003 has 18 divisors (see below), whose sum is σ = 110026644. Its totient is φ = 37417464.

The previous prime is 65480993. The next prime is 65481037. The reversal of 65481003 is 30018456.

65481003 is a `hidden beast` number, since 654 + 8 + 1 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 65481003 - 2⁵ = 65480971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65481503) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 73801 + ... + 74682.

Almost surely, 2^65481003 is an apocalyptic number.

65481003 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

65481003 is a deficient number, since it is larger than the sum of its proper divisors (44545641).

65481003 is a wasteful number, since it uses less digits than its factorization.

65481003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148503 (or 148493 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 65481003 is about 8092.0333044297. The cubic root of 65481003 is about 403.0619246545.

Adding to 65481003 its reverse (30018456), we get a palindrome (95499459).

The spelling of 65481003 in words is "sixty-five million, four hundred eighty-one thousand, three".