65530263 has 8 divisors (see below), whose sum is σ = 88480000. Its totient is φ = 43133688.

The previous prime is 65530247. The next prime is 65530273. The reversal of 65530263 is 36203556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65530263 - 2⁴ = 65530247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65530263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65530273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138013 + ... + 138486.

It is an arithmetic number, because the mean of its divisors is an integer number (11060000).

Almost surely, 2^65530263 is an apocalyptic number.

65530263 is a deficient number, since it is larger than the sum of its proper divisors (22949737).

65530263 is a wasteful number, since it uses less digits than its factorization.

65530263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276581.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 65530263 is about 8095.0764665938. The cubic root of 65530263 is about 403.1629710282.

The spelling of 65530263 in words is "sixty-five million, five hundred thirty thousand, two hundred sixty-three".