61004403 has 6 divisors (see below), whose sum is σ = 88117484. Its totient is φ = 40669596.

The previous prime is 61004369. The next prime is 61004467. The reversal of 61004403 is 30440016.

It is not a de Polignac number, because 61004403 - 2²² = 56810099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61004903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3389125 + ... + 3389142.

Almost surely, 2^61004403 is an apocalyptic number.

61004403 is a deficient number, since it is larger than the sum of its proper divisors (27113081).

61004403 is a wasteful number, since it uses less digits than its factorization.

61004403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6778273 (or 6778270 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 61004403 is about 7810.5315440116. The cubic root of 61004403 is about 393.6591893376.

Adding to 61004403 its reverse (30440016), we get a palindrome (91444419).

The spelling of 61004403 in words is "sixty-one million, four thousand, four hundred three".