5205731 has 8 divisors (see below), whose sum is σ = 5303760. Its totient is φ = 5108832.

The previous prime is 5205727. The next prime is 5205749. The reversal of 5205731 is 1375025.

5205731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5205731 - 2² = 5205727 is a prime.

It is a super-2 number, since 2×5205731² = 54199270488722, 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 = 5205697 and 5205706.

It is not an unprimeable number, because it can be changed into a prime (5205701) 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, 17621 + ... + 17913.

It is an arithmetic number, because the mean of its divisors is an integer number (662970).

Almost surely, 2^5205731 is an apocalyptic number.

5205731 is a deficient number, since it is larger than the sum of its proper divisors (98029).

5205731 is a wasteful number, since it uses less digits than its factorization.

5205731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 5205731 is about 2281.6071090352. The cubic root of 5205731 is about 173.3114440636.

The spelling of 5205731 in words is "five million, two hundred five thousand, seven hundred thirty-one".