65051073 has 8 divisors (see below), whose sum is σ = 96372000. Its totient is φ = 43367364.

The previous prime is 65051053. The next prime is 65051081. The reversal of 65051073 is 37015056.

65051073 is a `hidden beast` number, since 650 + 5 + 1 + 0 + 7 + 3 = 666.

It is not a de Polignac number, because 65051073 - 2⁹ = 65050561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2409299 = 65051073 / (6 + 5 + 0 + 5 + 1 + 0 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (65051023) 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, 1204623 + ... + 1204676.

It is an arithmetic number, because the mean of its divisors is an integer number (12046500).

Almost surely, 2^65051073 is an apocalyptic number.

It is an amenable number.

65051073 is a deficient number, since it is larger than the sum of its proper divisors (31320927).

65051073 is a wasteful number, since it uses less digits than its factorization.

65051073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409308 (or 2409302 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 65051073 is about 8065.4245393532. The cubic root of 65051073 is about 402.1778562518.

The spelling of 65051073 in words is "sixty-five million, fifty-one thousand, seventy-three".