61394211 has 24 divisors (see below), whose sum is σ = 91516464. Its totient is φ = 39631680.

The previous prime is 61394209. The next prime is 61394219. The reversal of 61394211 is 11249316.

61394211 is a `hidden beast` number, since 61 + 394 + 211 = 666.

61394211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61394211 - 2¹ = 61394209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61394219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109945 + ... + 110501.

It is an arithmetic number, because the mean of its divisors is an integer number (3813186).

Almost surely, 2^61394211 is an apocalyptic number.

61394211 is a deficient number, since it is larger than the sum of its proper divisors (30122253).

61394211 is a wasteful number, since it uses less digits than its factorization.

61394211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 928 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 61394211 is about 7835.4458073552. The cubic root of 61394211 is about 394.4958820236.

The spelling of 61394211 in words is "sixty-one million, three hundred ninety-four thousand, two hundred eleven".