51035605 has 4 divisors (see below), whose sum is σ = 61242732. Its totient is φ = 40828480.

The previous prime is 51035587. The next prime is 51035713. The reversal of 51035605 is 50653015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27279729 + 23755876 = 5223^2 + 4874^2 .

It is not a de Polignac number, because 51035605 - 2²¹ = 48938453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51035605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5103556 + ... + 5103565.

It is an arithmetic number, because the mean of its divisors is an integer number (15310683).

Almost surely, 2^51035605 is an apocalyptic number.

It is an amenable number.

51035605 is a deficient number, since it is larger than the sum of its proper divisors (10207127).

51035605 is a wasteful number, since it uses less digits than its factorization.

51035605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10207126.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 51035605 is about 7143.9208422266. The cubic root of 51035605 is about 370.9292566173.

The spelling of 51035605 in words is "fifty-one million, thirty-five thousand, six hundred five".