64265311 has 4 divisors (see below), whose sum is σ = 70107624. Its totient is φ = 58423000.

The previous prime is 64265303. The next prime is 64265393. The reversal of 64265311 is 11356246.

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 64265311 - 2³ = 64265303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64265311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64265111) 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, 2921140 + ... + 2921161.

It is an arithmetic number, because the mean of its divisors is an integer number (17526906).

Almost surely, 2^64265311 is an apocalyptic number.

64265311 is a deficient number, since it is larger than the sum of its proper divisors (5842313).

64265311 is a wasteful number, since it uses less digits than its factorization.

64265311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842312.

The product of its digits is 4320, while the sum is 28.

The square root of 64265311 is about 8016.5647879874. The cubic root of 64265311 is about 400.5519692246.

The spelling of 64265311 in words is "sixty-four million, two hundred sixty-five thousand, three hundred eleven".