61289010 has 24 divisors (see below), whose sum is σ = 159351660. Its totient is φ = 16343712.

The previous prime is 61289009. The next prime is 61289021. The reversal of 61289010 is 1098216.

61289010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 52838361 + 8450649 = 7269^2 + 2907^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 340405 + ... + 340584.

Almost surely, 2^61289010 is an apocalyptic number.

61289010 is an abundant number, since it is smaller than the sum of its proper divisors (98062650).

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

61289010 is a wasteful number, since it uses less digits than its factorization.

61289010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681002 (or 680999 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 61289010 is about 7828.7297820272. The cubic root of 61289010 is about 394.2704259758.

The spelling of 61289010 in words is "sixty-one million, two hundred eighty-nine thousand, ten".