606540887 has 4 divisors (see below), whose sum is σ = 627456120. Its totient is φ = 585625656.

The previous prime is 606540881. The next prime is 606540953. The reversal of 606540887 is 788045606.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 606540887 - 2²⁰ = 605492311 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 (606540881) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10457573 + ... + 10457630.

It is an arithmetic number, because the mean of its divisors is an integer number (156864030).

Almost surely, 2^606540887 is an apocalyptic number.

606540887 is a deficient number, since it is larger than the sum of its proper divisors (20915233).

606540887 is a wasteful number, since it uses less digits than its factorization.

606540887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20915232.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 606540887 is about 24628.0508160918. The cubic root of 606540887 is about 846.4864826403.

The spelling of 606540887 in words is "six hundred six million, five hundred forty thousand, eight hundred eighty-seven".