65472003 has 16 divisors (see below), whose sum is σ = 97120800. Its totient is φ = 43591680.

The previous prime is 65471963. The next prime is 65472019. The reversal of 65472003 is 30027456.

It is a happy number.

65472003 is a `hidden beast` number, since 654 + 7 + 2 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 65472003 - 2⁹ = 65471491 is a prime.

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

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (65472073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37183 + ... + 38903.

It is an arithmetic number, because the mean of its divisors is an integer number (6070050).

Almost surely, 2^65472003 is an apocalyptic number.

65472003 is a deficient number, since it is larger than the sum of its proper divisors (31648797).

65472003 is a wasteful number, since it uses less digits than its factorization.

65472003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 65472003 is about 8091.4771828140. The cubic root of 65472003 is about 403.0434576012.

Adding to 65472003 its reverse (30027456), we get a palindrome (95499459).

The spelling of 65472003 in words is "sixty-five million, four hundred seventy-two thousand, three".