61055265 has 32 divisors (see below), whose sum is σ = 104601600. Its totient is φ = 30317760.

The previous prime is 61055261. The next prime is 61055297. The reversal of 61055265 is 56255016.

It is not a de Polignac number, because 61055265 - 2² = 61055261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61055261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15000 + ... + 18630.

It is an arithmetic number, because the mean of its divisors is an integer number (3268800).

Almost surely, 2^61055265 is an apocalyptic number.

It is an amenable number.

61055265 is a deficient number, since it is larger than the sum of its proper divisors (43546335).

61055265 is a wasteful number, since it uses less digits than its factorization.

61055265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 61055265 is about 7813.7868540164. The cubic root of 61055265 is about 393.7685624910.

The spelling of 61055265 in words is "sixty-one million, fifty-five thousand, two hundred sixty-five".