61010303 has 4 divisors (see below), whose sum is σ = 61026840. Its totient is φ = 60993768.

The previous prime is 61010291. The next prime is 61010317. The reversal of 61010303 is 30301016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61010303 - 2¹⁸ = 60748159 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61010333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 11046.

It is an arithmetic number, because the mean of its divisors is an integer number (15256710).

Almost surely, 2^61010303 is an apocalyptic number.

61010303 is a deficient number, since it is larger than the sum of its proper divisors (16537).

61010303 is a wasteful number, since it uses less digits than its factorization.

61010303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16536.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 61010303 is about 7810.9092300449. The cubic root of 61010303 is about 393.6718797568.

Adding to 61010303 its reverse (30301016), we get a palindrome (91311319).

The spelling of 61010303 in words is "sixty-one million, ten thousand, three hundred three".