61043205 has 16 divisors (see below), whose sum is σ = 97836480. Its totient is φ = 32500608.

The previous prime is 61043197. The next prime is 61043207. The reversal of 61043205 is 50234016.

It is a happy number.

It is not a de Polignac number, because 61043205 - 2³ = 61043197 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 (61043207) 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, 6481 + ... + 12809.

It is an arithmetic number, because the mean of its divisors is an integer number (6114780).

Almost surely, 2^61043205 is an apocalyptic number.

It is an amenable number.

61043205 is a deficient number, since it is larger than the sum of its proper divisors (36793275).

61043205 is a wasteful number, since it uses less digits than its factorization.

61043205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6980.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 61043205 is about 7813.0151030188. The cubic root of 61043205 is about 393.7426342789.

The spelling of 61043205 in words is "sixty-one million, forty-three thousand, two hundred five".