61416629 has 2 divisors, whose sum is σ = 61416630. Its totient is φ = 61416628.

The previous prime is 61416541. The next prime is 61416637. The reversal of 61416629 is 92661416.

61416629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42276004 + 19140625 = 6502^2 + 4375^2 .

It is a cyclic number.

It is not a de Polignac number, because 61416629 - 2¹⁶ = 61351093 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (61416659) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30708314 + 30708315.

It is an arithmetic number, because the mean of its divisors is an integer number (30708315).

Almost surely, 2^61416629 is an apocalyptic number.

It is an amenable number.

61416629 is a deficient number, since it is larger than the sum of its proper divisors (1).

61416629 is an equidigital number, since it uses as much as digits as its factorization.

61416629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 61416629 is about 7836.8762271711. The cubic root of 61416629 is about 394.5438926983.

The spelling of 61416629 in words is "sixty-one million, four hundred sixteen thousand, six hundred twenty-nine".