61950205 has 4 divisors (see below), whose sum is σ = 74340252. Its totient is φ = 49560160.

The previous prime is 61950199. The next prime is 61950211. The reversal of 61950205 is 50205916.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (61950199) and next prime (61950211).

It can be written as a sum of positive squares in 2 ways, for example, as 24176889 + 37773316 = 4917^2 + 6146^2 .

It is not a de Polignac number, because 61950205 - 2¹⁵ = 61917437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6195016 + ... + 6195025.

It is an arithmetic number, because the mean of its divisors is an integer number (18585063).

Almost surely, 2^61950205 is an apocalyptic number.

It is an amenable number.

61950205 is a deficient number, since it is larger than the sum of its proper divisors (12390047).

61950205 is a wasteful number, since it uses less digits than its factorization.

61950205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12390046.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 61950205 is about 7870.8452532114. The cubic root of 61950205 is about 395.6831738721.

The spelling of 61950205 in words is "sixty-one million, nine hundred fifty thousand, two hundred five".