5042731 has 4 divisors (see below), whose sum is σ = 5073832. Its totient is φ = 5011632.

The previous prime is 5042729. The next prime is 5042749. The reversal of 5042731 is 1372405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5042731 - 2¹ = 5042729 is a prime.

It is a super-2 number, since 2×5042731² = 50858271876722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5042711) 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, 15306 + ... + 15631.

It is an arithmetic number, because the mean of its divisors is an integer number (1268458).

Almost surely, 2^5042731 is an apocalyptic number.

5042731 is a deficient number, since it is larger than the sum of its proper divisors (31101).

5042731 is a wasteful number, since it uses less digits than its factorization.

5042731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31100.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 5042731 is about 2245.6025917335. The cubic root of 5042731 is about 171.4833400732.

The spelling of 5042731 in words is "five million, forty-two thousand, seven hundred thirty-one".