65480233 has 12 divisors (see below), whose sum is σ = 81035328. Its totient is φ = 51807600.

The previous prime is 65480227. The next prime is 65480279. The reversal of 65480233 is 33208456.

It is not a de Polignac number, because 65480233 - 2⁵ = 65480201 is a prime.

It is a super-4 number, since 4×65480233⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65480195 and 65480204.

It is not an unprimeable number, because it can be changed into a prime (65480203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26493 + ... + 28858.

It is an arithmetic number, because the mean of its divisors is an integer number (6752944).

Almost surely, 2^65480233 is an apocalyptic number.

It is an amenable number.

65480233 is a deficient number, since it is larger than the sum of its proper divisors (15555095).

65480233 is a wasteful number, since it uses less digits than its factorization.

65480233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55384 (or 55371 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 65480233 is about 8091.9857266310. The cubic root of 65480233 is about 403.0603447617.

Adding to 65480233 its reverse (33208456), we get a palindrome (98688689).

The spelling of 65480233 in words is "sixty-five million, four hundred eighty thousand, two hundred thirty-three".