61403103 has 30 divisors (see below), whose sum is σ = 94420656. Its totient is φ = 39748968.

The previous prime is 61403101. The next prime is 61403113. The reversal of 61403103 is 30130416.

It is not a de Polignac number, because 61403103 - 2¹ = 61403101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61403101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 483426 + ... + 483552.

Almost surely, 2^61403103 is an apocalyptic number.

61403103 is a deficient number, since it is larger than the sum of its proper divisors (33017553).

61403103 is an equidigital number, since it uses as much as digits as its factorization.

61403103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 61403103 is about 7836.0132082584. The cubic root of 61403103 is about 394.5149266425.

Adding to 61403103 its reverse (30130416), we get a palindrome (91533519).

The spelling of 61403103 in words is "sixty-one million, four hundred three thousand, one hundred three".