5601987 has 8 divisors (see below), whose sum is σ = 8299280. Its totient is φ = 3734640.

The previous prime is 5601943. The next prime is 5602001. The reversal of 5601987 is 7891065.

5601987 is a `hidden beast` number, since 560 + 1 + 98 + 7 = 666.

It is not a de Polignac number, because 5601987 - 2⁶ = 5601923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5601907) 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 7 ways as a sum of consecutive naturals, for example, 103714 + ... + 103767.

It is an arithmetic number, because the mean of its divisors is an integer number (1037410).

Almost surely, 2^5601987 is an apocalyptic number.

5601987 is a deficient number, since it is larger than the sum of its proper divisors (2697293).

5601987 is a wasteful number, since it uses less digits than its factorization.

5601987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207490 (or 207484 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 5601987 is about 2366.8517063813. The cubic root of 5601987 is about 177.6018010226.

The spelling of 5601987 in words is "five million, six hundred one thousand, nine hundred eighty-seven".