61085028 has 12 divisors (see below), whose sum is σ = 142531760. Its totient is φ = 20361672.

The previous prime is 61084997. The next prime is 61085041. The reversal of 61085028 is 82058016.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 61084986 and 61085004.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2545198 + ... + 2545221.

Almost surely, 2^61085028 is an apocalyptic number.

It is an amenable number.

61085028 is an abundant number, since it is smaller than the sum of its proper divisors (81446732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61085028 is a wasteful number, since it uses less digits than its factorization.

61085028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090426 (or 5090424 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 61085028 is about 7815.6911402639. The cubic root of 61085028 is about 393.8325363889.

The spelling of 61085028 in words is "sixty-one million, eighty-five thousand, twenty-eight".