5269987 has 4 divisors (see below), whose sum is σ = 5276016. Its totient is φ = 5263960.

The previous prime is 5269933. The next prime is 5269993. The reversal of 5269987 is 7899625.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5269987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5269487) 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, 1423 + ... + 3544.

It is an arithmetic number, because the mean of its divisors is an integer number (1319004).

Almost surely, 2^5269987 is an apocalyptic number.

5269987 is a deficient number, since it is larger than the sum of its proper divisors (6029).

5269987 is a wasteful number, since it uses less digits than its factorization.

5269987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6028.

The product of its digits is 272160, while the sum is 46.

The square root of 5269987 is about 2295.6452252036. The cubic root of 5269987 is about 174.0216095943.

The spelling of 5269987 in words is "five million, two hundred sixty-nine thousand, nine hundred eighty-seven".