65280832 has 14 divisors (see below), whose sum is σ = 129541778. Its totient is φ = 32640384.

The previous prime is 65280821. The next prime is 65280841. The reversal of 65280832 is 23808256.

It can be written as a sum of positive squares in only one way, i.e., 48108096 + 17172736 = 6936^2 + 4144^2 .

It is a super-2 number, since 2×65280832² = 8523174053224448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509943 + ... + 510070.

Almost surely, 2^65280832 is an apocalyptic number.

It is an amenable number.

65280832 is a deficient number, since it is larger than the sum of its proper divisors (64260946).

65280832 is a wasteful number, since it uses less digits than its factorization.

65280832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020025 (or 1020015 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 65280832 is about 8079.6554381978. The cubic root of 65280832 is about 402.6507944175.

The spelling of 65280832 in words is "sixty-five million, two hundred eighty thousand, eight hundred thirty-two".