5208631 has 4 divisors (see below), whose sum is σ = 5282064. Its totient is φ = 5135200.

The previous prime is 5208617. The next prime is 5208659. The reversal of 5208631 is 1368025.

It is a happy number.

5208631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5208631 - 2¹³ = 5200439 is a prime.

It is a super-2 number, since 2×5208631² = 54259673788322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5208596 and 5208605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5208131) 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, 36610 + ... + 36751.

It is an arithmetic number, because the mean of its divisors is an integer number (1320516).

Almost surely, 2^5208631 is an apocalyptic number.

5208631 is a deficient number, since it is larger than the sum of its proper divisors (73433).

5208631 is an equidigital number, since it uses as much as digits as its factorization.

5208631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73432.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 5208631 is about 2282.2425375056. The cubic root of 5208631 is about 173.3436207734.

Subtracting from 5208631 its reverse (1368025), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 5208631 in words is "five million, two hundred eight thousand, six hundred thirty-one".