5631506 has 8 divisors (see below), whose sum is σ = 8459724. Its totient is φ = 2811600.

The previous prime is 5631499. The next prime is 5631523. The reversal of 5631506 is 6051365.

It can be written as a sum of positive squares in 2 ways, for example, as 4661281 + 970225 = 2159^2 + 985^2 .

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

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56 + ... + 3356.

Almost surely, 2^5631506 is an apocalyptic number.

5631506 is a deficient number, since it is larger than the sum of its proper divisors (2828218).

5631506 is a wasteful number, since it uses less digits than its factorization.

5631506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 5631506 is about 2373.0794339845. The cubic root of 5631506 is about 177.9132051703.

The spelling of 5631506 in words is "five million, six hundred thirty-one thousand, five hundred six".