5287631 has 4 divisors (see below), whose sum is σ = 5517552. Its totient is φ = 5057712.

The previous prime is 5287627. The next prime is 5287649. The reversal of 5287631 is 1367825.

It is a happy number.

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 5287631 - 2² = 5287627 is a prime.

It is a super-2 number, since 2×5287631² = 55918083184322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287661) 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, 114926 + ... + 114971.

It is an arithmetic number, because the mean of its divisors is an integer number (1379388).

Almost surely, 2^5287631 is an apocalyptic number.

5287631 is a deficient number, since it is larger than the sum of its proper divisors (229921).

5287631 is a wasteful number, since it uses less digits than its factorization.

5287631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229920.

The product of its digits is 10080, while the sum is 32.

The square root of 5287631 is about 2299.4849423295. The cubic root of 5287631 is about 174.2156022939.

The spelling of 5287631 in words is "five million, two hundred eighty-seven thousand, six hundred thirty-one".