65481927 has 16 divisors (see below), whose sum is σ = 100504320. Its totient is φ = 37147392.

The previous prime is 65481883. The next prime is 65481929. The reversal of 65481927 is 72918456.

It is not a de Polignac number, because 65481927 - 2¹⁰ = 65480903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65481929) 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, 8298 + ... + 14135.

It is an arithmetic number, because the mean of its divisors is an integer number (6281520).

Almost surely, 2^65481927 is an apocalyptic number.

65481927 is a deficient number, since it is larger than the sum of its proper divisors (35022393).

65481927 is a wasteful number, since it uses less digits than its factorization.

65481927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22582.

The product of its digits is 120960, while the sum is 42.

The square root of 65481927 is about 8092.0903974190. The cubic root of 65481927 is about 403.0638205096.

Subtracting 65481927 from its reverse (72918456), we obtain a square (7436529 = 2727²).

The spelling of 65481927 in words is "sixty-five million, four hundred eighty-one thousand, nine hundred twenty-seven".