65159492 has 6 divisors (see below), whose sum is σ = 114029118. Its totient is φ = 32579744.

The previous prime is 65159473. The next prime is 65159503. The reversal of 65159492 is 29495156.

It can be written as a sum of positive squares in only one way, i.e., 63266116 + 1893376 = 7954^2 + 1376^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8144933 + ... + 8144940.

It is an arithmetic number, because the mean of its divisors is an integer number (19004853).

Almost surely, 2^65159492 is an apocalyptic number.

It is an amenable number.

65159492 is a deficient number, since it is larger than the sum of its proper divisors (48869626).

65159492 is a wasteful number, since it uses less digits than its factorization.

65159492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16289877 (or 16289875 counting only the distinct ones).

The product of its digits is 97200, while the sum is 41.

The square root of 65159492 is about 8072.1429620640. The cubic root of 65159492 is about 402.4011655019.

The spelling of 65159492 in words is "sixty-five million, one hundred fifty-nine thousand, four hundred ninety-two".