51276065 has 8 divisors (see below), whose sum is σ = 61570368. Its totient is φ = 40994800.

The previous prime is 51276059. The next prime is 51276067. The reversal of 51276065 is 56067215.

It is a happy number.

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

It is not a de Polignac number, because 51276065 - 2¹⁰ = 51275041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51276067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11390 + ... + 15240.

It is an arithmetic number, because the mean of its divisors is an integer number (7696296).

Almost surely, 2^51276065 is an apocalyptic number.

It is an amenable number.

51276065 is a deficient number, since it is larger than the sum of its proper divisors (10294303).

51276065 is a wasteful number, since it uses less digits than its factorization.

51276065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 51276065 is about 7160.7307587983. The cubic root of 51276065 is about 371.5109023958.

The spelling of 51276065 in words is "fifty-one million, two hundred seventy-six thousand, sixty-five".