5009731 has 4 divisors (see below), whose sum is σ = 5014872. Its totient is φ = 5004592.

The previous prime is 5009729. The next prime is 5009737. The reversal of 5009731 is 1379005.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5009731 - 2¹ = 5009729 is a prime.

It is a super-2 number, since 2×5009731² = 50194809384722, which contains 22 as substring.

It is a Duffinian number.

5009731 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5009696 and 5009705.

It is not an unprimeable number, because it can be changed into a prime (5009737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610 + ... + 3223.

It is an arithmetic number, because the mean of its divisors is an integer number (1253718).

Almost surely, 2^5009731 is an apocalyptic number.

5009731 is a deficient number, since it is larger than the sum of its proper divisors (5141).

5009731 is a wasteful number, since it uses less digits than its factorization.

5009731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 5009731 is about 2238.2428375849. The cubic root of 5009731 is about 171.1084546198.

The spelling of 5009731 in words is "five million, nine thousand, seven hundred thirty-one".