601655487 has 4 divisors (see below), whose sum is σ = 802207320. Its totient is φ = 401103656.

The previous prime is 601655477. The next prime is 601655497. The reversal of 601655487 is 784556106.

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

It is an interprime number because it is at equal distance from previous prime (601655477) and next prime (601655497).

It is a cyclic number.

It is not a de Polignac number, because 601655487 - 2²⁷ = 467437759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601655407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100275912 + ... + 100275917.

It is an arithmetic number, because the mean of its divisors is an integer number (200551830).

Almost surely, 2^601655487 is an apocalyptic number.

601655487 is a deficient number, since it is larger than the sum of its proper divisors (200551833).

601655487 is a wasteful number, since it uses less digits than its factorization.

601655487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200551832.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 601655487 is about 24528.6666372227. Note that the first 4 decimals coincide. The cubic root of 601655487 is about 844.2076706279.

The spelling of 601655487 in words is "six hundred one million, six hundred fifty-five thousand, four hundred eighty-seven".