51013235 has 32 divisors (see below), whose sum is σ = 75866112. Its totient is φ = 32065920.

The previous prime is 51013231. The next prime is 51013289. The reversal of 51013235 is 53231015.

51013235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51013235 - 2² = 51013231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51013231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86612 + ... + 87198.

It is an arithmetic number, because the mean of its divisors is an integer number (2370816).

Almost surely, 2^51013235 is an apocalyptic number.

51013235 is a deficient number, since it is larger than the sum of its proper divisors (24852877).

51013235 is a wasteful number, since it uses less digits than its factorization.

With its successor (51013236) it forms an eRAP, since the sums of their prime factors are consecutive (803 and 804).

51013235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 51013235 is about 7142.3550037785. The cubic root of 51013235 is about 370.8750532815.

The spelling of 51013235 in words is "fifty-one million, thirteen thousand, two hundred thirty-five".