61284027 has 16 divisors (see below), whose sum is σ = 94102272. Its totient is φ = 34750560.

The previous prime is 61284023. The next prime is 61284089. The reversal of 61284027 is 72048216.

It is not a de Polignac number, because 61284027 - 2² = 61284023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61283985 and 61284003.

It is not an unprimeable number, because it can be changed into a prime (61284023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8388 + ... + 13889.

It is an arithmetic number, because the mean of its divisors is an integer number (5881392).

Almost surely, 2^61284027 is an apocalyptic number.

61284027 is a deficient number, since it is larger than the sum of its proper divisors (32818245).

61284027 is a wasteful number, since it uses less digits than its factorization.

61284027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22418.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 61284027 is about 7828.4115246964. The cubic root of 61284027 is about 394.2597405213.

The spelling of 61284027 in words is "sixty-one million, two hundred eighty-four thousand, twenty-seven".