65651349 has 8 divisors (see below), whose sum is σ = 87575040. Its totient is φ = 43747616.

The previous prime is 65651317. The next prime is 65651363. The reversal of 65651349 is 94315656.

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

It is a cyclic number.

It is not a de Polignac number, because 65651349 - 2⁵ = 65651317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65651749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6412 + ... + 13130.

It is an arithmetic number, because the mean of its divisors is an integer number (10946880).

Almost surely, 2^65651349 is an apocalyptic number.

It is an amenable number.

65651349 is a deficient number, since it is larger than the sum of its proper divisors (21923691).

65651349 is a wasteful number, since it uses less digits than its factorization.

65651349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9979.

The product of its digits is 97200, while the sum is 39.

The square root of 65651349 is about 8102.5520053869. The cubic root of 65651349 is about 403.4111380687.

The spelling of 65651349 in words is "sixty-five million, six hundred fifty-one thousand, three hundred forty-nine".