64248265 has 4 divisors (see below), whose sum is σ = 77097924. Its totient is φ = 51398608.

The previous prime is 64248193. The next prime is 64248293. The reversal of 64248265 is 56284246.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13097161 + 51151104 = 3619^2 + 7152^2 .

It is a cyclic number.

It is not a de Polignac number, because 64248265 - 2⁹ = 64247753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6424822 + ... + 6424831.

It is an arithmetic number, because the mean of its divisors is an integer number (19274481).

Almost surely, 2^64248265 is an apocalyptic number.

It is an amenable number.

64248265 is a deficient number, since it is larger than the sum of its proper divisors (12849659).

64248265 is a wasteful number, since it uses less digits than its factorization.

64248265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12849658.

The product of its digits is 92160, while the sum is 37.

The square root of 64248265 is about 8015.5015438836. The cubic root of 64248265 is about 400.5165513995.

The spelling of 64248265 in words is "sixty-four million, two hundred forty-eight thousand, two hundred sixty-five".