61934261 has 2 divisors, whose sum is σ = 61934262. Its totient is φ = 61934260.

The previous prime is 61934237. The next prime is 61934287. The reversal of 61934261 is 16243916.

61934261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54671236 + 7263025 = 7394^2 + 2695^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61934261 is a prime.

It is a super-2 number, since 2×61934261² = 7671705371232242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61934161) 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 as a sum of consecutive naturals, namely, 30967130 + 30967131.

It is an arithmetic number, because the mean of its divisors is an integer number (30967131).

Almost surely, 2^61934261 is an apocalyptic number.

It is an amenable number.

61934261 is a deficient number, since it is larger than the sum of its proper divisors (1).

61934261 is an equidigital number, since it uses as much as digits as its factorization.

61934261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 61934261 is about 7869.8323362064. The cubic root of 61934261 is about 395.6492255646.

The spelling of 61934261 in words is "sixty-one million, nine hundred thirty-four thousand, two hundred sixty-one".