61054205 has 8 divisors (see below), whose sum is σ = 73551672. Its totient is φ = 48652288.

The previous prime is 61054183. The next prime is 61054211. The reversal of 61054205 is 50245016.

It can be written as a sum of positive squares in 4 ways, for example, as 14295961 + 46758244 = 3781^2 + 6838^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61054205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22472 + ... + 25041.

It is an arithmetic number, because the mean of its divisors is an integer number (9193959).

Almost surely, 2^61054205 is an apocalyptic number.

It is an amenable number.

61054205 is a deficient number, since it is larger than the sum of its proper divisors (12497467).

61054205 is a wasteful number, since it uses less digits than its factorization.

61054205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47775.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 61054205 is about 7813.7190248946. The cubic root of 61054205 is about 393.7662836971.

The spelling of 61054205 in words is "sixty-one million, fifty-four thousand, two hundred five".