65148705 has 20 divisors (see below), whose sum is σ = 116785812. Its totient is φ = 34745760.

The previous prime is 65148689. The next prime is 65148731. The reversal of 65148705 is 50784156.

It can be written as a sum of positive squares in 2 ways, for example, as 41177889 + 23970816 = 6417^2 + 4896^2 .

It is not a de Polignac number, because 65148705 - 2⁴ = 65148689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65148705.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80026 + ... + 80835.

Almost surely, 2^65148705 is an apocalyptic number.

It is an amenable number.

65148705 is a deficient number, since it is larger than the sum of its proper divisors (51637107).

65148705 is a wasteful number, since it uses less digits than its factorization.

65148705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160878 (or 160869 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 65148705 is about 8071.4747723077. The cubic root of 65148705 is about 402.3789587556.

The spelling of 65148705 in words is "sixty-five million, one hundred forty-eight thousand, seven hundred five".