5687331 has 8 divisors (see below), whose sum is σ = 8166480. Its totient is φ = 3499872.

The previous prime is 5687317. The next prime is 5687369. The reversal of 5687331 is 1337865.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5687331 - 2⁶ = 5687267 is a prime.

It is a super-2 number, since 2×5687331² = 64691467807122, which contains 22 as substring.

5687331 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5687292 and 5687301.

It is not an unprimeable number, because it can be changed into a prime (5687431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72876 + ... + 72953.

It is an arithmetic number, because the mean of its divisors is an integer number (1020810).

Almost surely, 2^5687331 is an apocalyptic number.

5687331 is a deficient number, since it is larger than the sum of its proper divisors (2479149).

5687331 is a wasteful number, since it uses less digits than its factorization.

5687331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145845.

The product of its digits is 15120, while the sum is 33.

The square root of 5687331 is about 2384.8125712517. The cubic root of 5687331 is about 178.4991565214.

The spelling of 5687331 in words is "five million, six hundred eighty-seven thousand, three hundred thirty-one".