51236205 has 8 divisors (see below), whose sum is σ = 81977952. Its totient is φ = 27325968.

The previous prime is 51236191. The next prime is 51236209. The reversal of 51236205 is 50263215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51236205 - 2⁷ = 51236077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51236209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1707859 + ... + 1707888.

It is an arithmetic number, because the mean of its divisors is an integer number (10247244).

Almost surely, 2^51236205 is an apocalyptic number.

It is an amenable number.

51236205 is a deficient number, since it is larger than the sum of its proper divisors (30741747).

51236205 is a wasteful number, since it uses less digits than its factorization.

51236205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415755.

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

The square root of 51236205 is about 7157.9469822010. The cubic root of 51236205 is about 371.4146114435.

The spelling of 51236205 in words is "fifty-one million, two hundred thirty-six thousand, two hundred five".