287655061 has 4 divisors (see below), whose sum is σ = 287884800. Its totient is φ = 287425324.

The previous prime is 287655047. The next prime is 287655101. The reversal of 287655061 is 160556782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 287655061 - 2⁷ = 287654933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287655161) 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, 112981 + ... + 115498.

It is an arithmetic number, because the mean of its divisors is an integer number (71971200).

Almost surely, 2^287655061 is an apocalyptic number.

It is an amenable number.

287655061 is a deficient number, since it is larger than the sum of its proper divisors (229739).

287655061 is a wasteful number, since it uses less digits than its factorization.

287655061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229738.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 287655061 is about 16960.3968408761. The cubic root of 287655061 is about 660.1216954965.

The spelling of 287655061 in words is "two hundred eighty-seven million, six hundred fifty-five thousand, sixty-one".