61103629 has 2 divisors, whose sum is σ = 61103630. Its totient is φ = 61103628.

The previous prime is 61103621. The next prime is 61103641. The reversal of 61103629 is 92630116.

61103629 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., 49028004 + 12075625 = 7002^2 + 3475^2 .

It is a cyclic number.

It is not a de Polignac number, because 61103629 - 2³ = 61103621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61103597 and 61103606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61103621) 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, 30551814 + 30551815.

It is an arithmetic number, because the mean of its divisors is an integer number (30551815).

Almost surely, 2^61103629 is an apocalyptic number.

It is an amenable number.

61103629 is a deficient number, since it is larger than the sum of its proper divisors (1).

61103629 is an equidigital number, since it uses as much as digits as its factorization.

61103629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 61103629 is about 7816.8810276222. The cubic root of 61103629 is about 393.8725076432.

It can be divided in two parts, 611036 and 29, that added together give a triangular number (611065 = T₁₁₀₅).

The spelling of 61103629 in words is "sixty-one million, one hundred three thousand, six hundred twenty-nine".