61108403 has 2 divisors, whose sum is σ = 61108404. Its totient is φ = 61108402.

The previous prime is 61108391. The next prime is 61108429. The reversal of 61108403 is 30480116.

61108403 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 is a cyclic number.

It is not a de Polignac number, because 61108403 - 2⁸ = 61108147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61108433) 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, 30554201 + 30554202.

It is an arithmetic number, because the mean of its divisors is an integer number (30554202).

Almost surely, 2^61108403 is an apocalyptic number.

61108403 is a deficient number, since it is larger than the sum of its proper divisors (1).

61108403 is an equidigital number, since it uses as much as digits as its factorization.

61108403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 61108403 is about 7817.1863864181. The cubic root of 61108403 is about 393.8827650720.

Adding to 61108403 its reverse (30480116), we get a palindrome (91588519).

The spelling of 61108403 in words is "sixty-one million, one hundred eight thousand, four hundred three".