51043065 has 16 divisors (see below), whose sum is σ = 82420800. Its totient is φ = 26972352.

The previous prime is 51043043. The next prime is 51043087. The reversal of 51043065 is 56034015.

It is an interprime number because it is at equal distance from previous prime (51043043) and next prime (51043087).

It is not a de Polignac number, because 51043065 - 2⁵ = 51043033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13975 + ... + 17244.

It is an arithmetic number, because the mean of its divisors is an integer number (5151300).

Almost surely, 2^51043065 is an apocalyptic number.

It is an amenable number.

51043065 is a deficient number, since it is larger than the sum of its proper divisors (31377735).

51043065 is a wasteful number, since it uses less digits than its factorization.

51043065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31336.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 51043065 is about 7144.4429453947. The cubic root of 51043065 is about 370.9473289510.

The spelling of 51043065 in words is "fifty-one million, forty-three thousand, sixty-five".