65287255 has 16 divisors (see below), whose sum is σ = 87083424. Its totient is φ = 46583680.

The previous prime is 65287247. The next prime is 65287267. The reversal of 65287255 is 55278256.

It is not a de Polignac number, because 65287255 - 2³ = 65287247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8284 + ... + 14113.

It is an arithmetic number, because the mean of its divisors is an integer number (5442714).

Almost surely, 2^65287255 is an apocalyptic number.

65287255 is a deficient number, since it is larger than the sum of its proper divisors (21796169).

65287255 is a wasteful number, since it uses less digits than its factorization.

65287255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22466.

The product of its digits is 168000, while the sum is 40.

The square root of 65287255 is about 8080.0529082426. The cubic root of 65287255 is about 402.6639996272.

The spelling of 65287255 in words is "sixty-five million, two hundred eighty-seven thousand, two hundred fifty-five".