61286000 has 40 divisors (see below), whose sum is σ = 148194384. Its totient is φ = 24513600.

The previous prime is 61285999. The next prime is 61286011. The reversal of 61286000 is 68216.

61286000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 13322 + ... + 17321.

Almost surely, 2^61286000 is an apocalyptic number.

It is an amenable number.

61286000 is an abundant number, since it is smaller than the sum of its proper divisors (86908384).

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

61286000 is a wasteful number, since it uses less digits than its factorization.

61286000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30666 (or 30650 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 61286000 is about 7828.5375390299. The cubic root of 61286000 is about 394.2639714558.

The spelling of 61286000 in words is "sixty-one million, two hundred eighty-six thousand".