64265263 has 16 divisors (see below), whose sum is σ = 69769216. Its totient is φ = 59058720.

The previous prime is 64265251. The next prime is 64265291. The reversal of 64265263 is 36256246.

It is not a de Polignac number, because 64265263 - 2¹³ = 64257071 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 (64265213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48670 + ... + 49972.

It is an arithmetic number, because the mean of its divisors is an integer number (4360576).

Almost surely, 2^64265263 is an apocalyptic number.

64265263 is a deficient number, since it is larger than the sum of its proper divisors (5503953).

64265263 is a wasteful number, since it uses less digits than its factorization.

64265263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414.

The product of its digits is 51840, while the sum is 34.

The square root of 64265263 is about 8016.5617941858. The cubic root of 64265263 is about 400.5518695000.

The spelling of 64265263 in words is "sixty-four million, two hundred sixty-five thousand, two hundred sixty-three".