65028753 has 6 divisors (see below), whose sum is σ = 93930434. Its totient is φ = 43352496.

The previous prime is 65028727. The next prime is 65028763. The reversal of 65028753 is 35782056.

It can be written as a sum of positive squares in only one way, i.e., 38526849 + 26501904 = 6207^2 + 5148^2 .

It is not a de Polignac number, because 65028753 - 2¹³ = 65020561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65028763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3612700 + ... + 3612717.

Almost surely, 2^65028753 is an apocalyptic number.

It is an amenable number.

65028753 is a deficient number, since it is larger than the sum of its proper divisors (28901681).

65028753 is a wasteful number, since it uses less digits than its factorization.

65028753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225423 (or 7225420 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 65028753 is about 8064.0407365042. The cubic root of 65028753 is about 402.1318532360.

It can be divided in two parts, 650 and 28753, that added together give a triangular number (29403 = T₂₄₂).

The spelling of 65028753 in words is "sixty-five million, twenty-eight thousand, seven hundred fifty-three".