52620205 has 16 divisors (see below), whose sum is σ = 71881344. Its totient is φ = 36604480.

The previous prime is 52620203. The next prime is 52620221. The reversal of 52620205 is 50202625.

52620205 = 35² + 36² + ... + 540².

It is not a de Polignac number, because 52620205 - 2¹ = 52620203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52620203) 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, 19534 + ... + 22063.

It is an arithmetic number, because the mean of its divisors is an integer number (4492584).

Almost surely, 2^52620205 is an apocalyptic number.

52620205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52620205 is a deficient number, since it is larger than the sum of its proper divisors (19261139).

52620205 is a wasteful number, since it uses less digits than its factorization.

52620205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41636.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52620205 is about 7253.9785635195. The cubic root of 52620205 is about 374.7291792783.

It can be divided in two parts, 52620 and 205, that added together give a palindrome (52825).

The spelling of 52620205 in words is "fifty-two million, six hundred twenty thousand, two hundred five".