5021687 has 4 divisors (see below), whose sum is σ = 5478216. Its totient is φ = 4565160.

The previous prime is 5021683. The next prime is 5021693. The reversal of 5021687 is 7861205.

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 5021687 - 2² = 5021683 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 (5021683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228248 + ... + 228269.

It is an arithmetic number, because the mean of its divisors is an integer number (1369554).

Almost surely, 2^5021687 is an apocalyptic number.

5021687 is a deficient number, since it is larger than the sum of its proper divisors (456529).

5021687 is a wasteful number, since it uses less digits than its factorization.

5021687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456528.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 5021687 is about 2240.9120910915. The cubic root of 5021687 is about 171.2444664062.

The spelling of 5021687 in words is "five million, twenty-one thousand, six hundred eighty-seven".