61285895 has 16 divisors (see below), whose sum is σ = 80900640. Its totient is φ = 44566720.

The previous prime is 61285883. The next prime is 61285897. The reversal of 61285895 is 59858216.

61285895 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 61285895 - 2¹⁴ = 61269511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61285897) by changing a digit.

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, 2051 + ... + 11259.

It is an arithmetic number, because the mean of its divisors is an integer number (5056290).

Almost surely, 2^61285895 is an apocalyptic number.

61285895 is a deficient number, since it is larger than the sum of its proper divisors (19614745).

61285895 is an equidigital number, since it uses as much as digits as its factorization.

61285895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9247 (or 9225 counting only the distinct ones).

The product of its digits is 172800, while the sum is 44.

The square root of 61285895 is about 7828.5308327936. The cubic root of 61285895 is about 394.2637462943.

The spelling of 61285895 in words is "sixty-one million, two hundred eighty-five thousand, eight hundred ninety-five".