51358245 has 16 divisors (see below), whose sum is σ = 82268160. Its totient is φ = 27359424.

The previous prime is 51358243. The next prime is 51358253. The reversal of 51358245 is 54285315.

51358245 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 51358245 - 2¹ = 51358243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51358243) 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 15 ways as a sum of consecutive naturals, for example, 17847 + ... + 20523.

It is an arithmetic number, because the mean of its divisors is an integer number (5141760).

Almost surely, 2^51358245 is an apocalyptic number.

It is an amenable number.

51358245 is a deficient number, since it is larger than the sum of its proper divisors (30909915).

51358245 is a wasteful number, since it uses less digits than its factorization.

51358245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964.

The product of its digits is 24000, while the sum is 33.

The square root of 51358245 is about 7166.4667026367. The cubic root of 51358245 is about 371.7092696063.

The spelling of 51358245 in words is "fifty-one million, three hundred fifty-eight thousand, two hundred forty-five".