51034865 has 16 divisors (see below), whose sum is σ = 70295040. Its totient is φ = 34843200.

The previous prime is 51034843. The next prime is 51034889. The reversal of 51034865 is 56843015.

It is a happy number.

It is not a de Polignac number, because 51034865 - 2⁶ = 51034801 is a prime.

It is a Curzon number.

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, 5315 + ... + 11415.

It is an arithmetic number, because the mean of its divisors is an integer number (4393440).

Almost surely, 2^51034865 is an apocalyptic number.

It is an amenable number.

51034865 is a deficient number, since it is larger than the sum of its proper divisors (19260175).

51034865 is a wasteful number, since it uses less digits than its factorization.

51034865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 51034865 is about 7143.8690497517. The cubic root of 51034865 is about 370.9274638234.

The spelling of 51034865 in words is "fifty-one million, thirty-four thousand, eight hundred sixty-five".