65131795 has 4 divisors (see below), whose sum is σ = 78158160. Its totient is φ = 52105432.

The previous prime is 65131789. The next prime is 65131813. The reversal of 65131795 is 59713156.

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 65131795 - 2⁵ = 65131763 is a prime.

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, 6513175 + ... + 6513184.

It is an arithmetic number, because the mean of its divisors is an integer number (19539540).

Almost surely, 2^65131795 is an apocalyptic number.

65131795 is a deficient number, since it is larger than the sum of its proper divisors (13026365).

65131795 is a wasteful number, since it uses less digits than its factorization.

65131795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13026364.

The product of its digits is 28350, while the sum is 37.

The square root of 65131795 is about 8070.4271881977. The cubic root of 65131795 is about 402.3441419112.

The spelling of 65131795 in words is "sixty-five million, one hundred thirty-one thousand, seven hundred ninety-five".