65049263 has 4 divisors (see below), whose sum is σ = 65130480. Its totient is φ = 64968048.

The previous prime is 65049251. The next prime is 65049289. The reversal of 65049263 is 36294056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65049263 - 2⁶ = 65049199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65049163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39395 + ... + 41012.

It is an arithmetic number, because the mean of its divisors is an integer number (16282620).

Almost surely, 2^65049263 is an apocalyptic number.

65049263 is a deficient number, since it is larger than the sum of its proper divisors (81217).

65049263 is an equidigital number, since it uses as much as digits as its factorization.

65049263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81216.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 65049263 is about 8065.3123312120. The cubic root of 65049263 is about 402.1741261126.

The spelling of 65049263 in words is "sixty-five million, forty-nine thousand, two hundred sixty-three".