61752005 has 16 divisors (see below), whose sum is σ = 86419200. Its totient is φ = 42343056.

The previous prime is 61751993. The next prime is 61752013. The reversal of 61752005 is 50025716.

61752005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61752005 - 2¹⁰ = 61750981 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 16289 + ... + 19718.

It is an arithmetic number, because the mean of its divisors is an integer number (5401200).

Almost surely, 2^61752005 is an apocalyptic number.

It is an amenable number.

61752005 is a deficient number, since it is larger than the sum of its proper divisors (24667195).

61752005 is an equidigital number, since it uses as much as digits as its factorization.

61752005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36033 (or 36019 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 61752005 is about 7858.2443968103. The cubic root of 61752005 is about 395.2607475617.

The spelling of 61752005 in words is "sixty-one million, seven hundred fifty-two thousand, five".