65272263 has 12 divisors (see below), whose sum is σ = 101238840. Its totient is φ = 37298352.

The previous prime is 65272253. The next prime is 65272289. The reversal of 65272263 is 36227256.

It is a happy number.

It is not a de Polignac number, because 65272263 - 2⁹ = 65271751 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65272223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221868 + ... + 222161.

It is an arithmetic number, because the mean of its divisors is an integer number (8436570).

Almost surely, 2^65272263 is an apocalyptic number.

65272263 is a deficient number, since it is larger than the sum of its proper divisors (35966577).

65272263 is a wasteful number, since it uses less digits than its factorization.

65272263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444046 (or 444039 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 65272263 is about 8079.1251382808. The cubic root of 65272263 is about 402.6331758428.

The spelling of 65272263 in words is "sixty-five million, two hundred seventy-two thousand, two hundred sixty-three".