64655265 has 8 divisors (see below), whose sum is σ = 103448448. Its totient is φ = 34482800.

The previous prime is 64655249. The next prime is 64655281. The reversal of 64655265 is 56255646.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (64655249) and next prime (64655281).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64655265 - 2⁴ = 64655249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2155161 + ... + 2155190.

It is an arithmetic number, because the mean of its divisors is an integer number (12931056).

Almost surely, 2^64655265 is an apocalyptic number.

It is an amenable number.

64655265 is a deficient number, since it is larger than the sum of its proper divisors (38793183).

64655265 is a wasteful number, since it uses less digits than its factorization.

64655265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4310359.

The product of its digits is 216000, while the sum is 39.

The square root of 64655265 is about 8040.8497685257. The cubic root of 64655265 is about 401.3605027510.

The spelling of 64655265 in words is "sixty-four million, six hundred fifty-five thousand, two hundred sixty-five".