65268513 has 6 divisors (see below), whose sum is σ = 94276754. Its totient is φ = 43512336.

The previous prime is 65268499. The next prime is 65268517. The reversal of 65268513 is 31586256.

It can be written as a sum of positive squares in only one way, i.e., 55175184 + 10093329 = 7428^2 + 3177^2 .

It is not a de Polignac number, because 65268513 - 2⁶ = 65268449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65268517) 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, 3626020 + ... + 3626037.

Almost surely, 2^65268513 is an apocalyptic number.

It is an amenable number.

65268513 is a deficient number, since it is larger than the sum of its proper divisors (29008241).

65268513 is a wasteful number, since it uses less digits than its factorization.

65268513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252063 (or 7252060 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 65268513 is about 8078.8930553635. The cubic root of 65268513 is about 402.6254650468.

The spelling of 65268513 in words is "sixty-five million, two hundred sixty-eight thousand, five hundred thirteen".