51026205 has 16 divisors (see below), whose sum is σ = 82232640. Its totient is φ = 27017088.

The previous prime is 51026201. The next prime is 51026237. The reversal of 51026205 is 50262015.

It is not a de Polignac number, because 51026205 - 2² = 51026201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51026201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10152 + ... + 14321.

It is an arithmetic number, because the mean of its divisors is an integer number (5139540).

Almost surely, 2^51026205 is an apocalyptic number.

It is an amenable number.

51026205 is a deficient number, since it is larger than the sum of its proper divisors (31206435).

51026205 is a wasteful number, since it uses less digits than its factorization.

51026205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24620.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51026205 is about 7143.2629099033. The cubic root of 51026205 is about 370.9064820001.

The spelling of 51026205 in words is "fifty-one million, twenty-six thousand, two hundred five".