61098229 has 2 divisors, whose sum is σ = 61098230. Its totient is φ = 61098228.

The previous prime is 61098181. The next prime is 61098253. The reversal of 61098229 is 92289016.

61098229 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., 50794129 + 10304100 = 7127^2 + 3210^2 .

It is a cyclic number.

It is not a de Polignac number, because 61098229 - 2²¹ = 59001077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61098529) 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, 30549114 + 30549115.

It is an arithmetic number, because the mean of its divisors is an integer number (30549115).

Almost surely, 2^61098229 is an apocalyptic number.

It is an amenable number.

61098229 is a deficient number, since it is larger than the sum of its proper divisors (1).

61098229 is an equidigital number, since it uses as much as digits as its factorization.

61098229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 61098229 is about 7816.5356136846. The cubic root of 61098229 is about 393.8609045451.

The spelling of 61098229 in words is "sixty-one million, ninety-eight thousand, two hundred twenty-nine".