61060505 has 16 divisors (see below), whose sum is σ = 81445824. Its totient is φ = 43567680.

The previous prime is 61060487. The next prime is 61060507. The reversal of 61060505 is 50506016.

It is not a de Polignac number, because 61060505 - 2²⁰ = 60011929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61060507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7559 + ... + 13388.

It is an arithmetic number, because the mean of its divisors is an integer number (5090364).

Almost surely, 2^61060505 is an apocalyptic number.

It is an amenable number.

61060505 is a deficient number, since it is larger than the sum of its proper divisors (20385319).

61060505 is a wasteful number, since it uses less digits than its factorization.

61060505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21016.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 61060505 is about 7814.1221515919. The cubic root of 61060505 is about 393.7798270846.

The spelling of 61060505 in words is "sixty-one million, sixty thousand, five hundred five".