5021731 has 8 divisors (see below), whose sum is σ = 5899824. Its totient is φ = 4213920.

The previous prime is 5021729. The next prime is 5021771. The reversal of 5021731 is 1371205.

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 5021731 - 2¹ = 5021729 is a prime.

It is a super-2 number, since 2×5021731² = 50435564472722, which contains 22 as substring.

It is a Duffinian number.

5021731 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5021699 and 5021708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021701) 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, 17416 + ... + 17701.

It is an arithmetic number, because the mean of its divisors is an integer number (737478).

Almost surely, 2^5021731 is an apocalyptic number.

5021731 is a deficient number, since it is larger than the sum of its proper divisors (878093).

5021731 is a wasteful number, since it uses less digits than its factorization.

5021731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35141.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 5021731 is about 2240.9219085011. The cubic root of 5021731 is about 171.2449665525.

Adding to 5021731 its reverse (1371205), we get a palindrome (6392936).

The spelling of 5021731 in words is "five million, twenty-one thousand, seven hundred thirty-one".