61028205 has 32 divisors (see below), whose sum is σ = 111974400. Its totient is φ = 27803712.

The previous prime is 61028203. The next prime is 61028239. The reversal of 61028205 is 50282016.

It is not a de Polignac number, because 61028205 - 2¹ = 61028203 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 (61028203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36886 + ... + 38504.

It is an arithmetic number, because the mean of its divisors is an integer number (3499200).

Almost surely, 2^61028205 is an apocalyptic number.

It is an amenable number.

61028205 is a deficient number, since it is larger than the sum of its proper divisors (50946195).

61028205 is a wasteful number, since it uses less digits than its factorization.

61028205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 61028205 is about 7812.0551073325. The cubic root of 61028205 is about 393.7103804933.

The spelling of 61028205 in words is "sixty-one million, twenty-eight thousand, two hundred five".