61286592 has 28 divisors (see below), whose sum is σ = 162154616. Its totient is φ = 20428800.

The previous prime is 61286591. The next prime is 61286623. The reversal of 61286592 is 29568216.

It is a self number, because there is not a number n which added to its sum of digits gives 61286592.

It is not an unprimeable number, because it can be changed into a prime (61286591) by changing a digit.

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, 159409 + ... + 159792.

Almost surely, 2^61286592 is an apocalyptic number.

It is an amenable number.

61286592 is an abundant number, since it is smaller than the sum of its proper divisors (100868024).

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

61286592 is a wasteful number, since it uses less digits than its factorization.

61286592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319216 (or 319206 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 61286592 is about 7828.5753493212. The cubic root of 61286592 is about 394.2652409329.

It can be divided in two parts, 6128 and 6592, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 61286592 in words is "sixty-one million, two hundred eighty-six thousand, five hundred ninety-two".