5631039 has 12 divisors (see below), whose sum is σ = 8435336. Its totient is φ = 3753864.

The previous prime is 5631037. The next prime is 5631061. The reversal of 5631039 is 9301365.

It is not a de Polignac number, because 5631039 - 2¹ = 5631037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

5631039 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11344 + ... + 11829.

Almost surely, 2^5631039 is an apocalyptic number.

5631039 is a deficient number, since it is larger than the sum of its proper divisors (2804297).

5631039 is an equidigital number, since it uses as much as digits as its factorization.

5631039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23188 (or 23176 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 5631039 is about 2372.9810365867. The cubic root of 5631039 is about 177.9082871393.

The spelling of 5631039 in words is "five million, six hundred thirty-one thousand, thirty-nine".