5270731 has 4 divisors (see below), whose sum is σ = 5580792. Its totient is φ = 4960672.

The previous prime is 5270729. The next prime is 5270737. The reversal of 5270731 is 1370725.

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 5270731 - 2¹ = 5270729 is a prime.

It is a super-2 number, since 2×5270731² = 55561210548722, which contains 22 as substring.

It is a Duffinian number.

5270731 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5270696 and 5270705.

It is not an unprimeable number, because it can be changed into a prime (5270737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155005 + ... + 155038.

It is an arithmetic number, because the mean of its divisors is an integer number (1395198).

Almost surely, 2^5270731 is an apocalyptic number.

5270731 is a deficient number, since it is larger than the sum of its proper divisors (310061).

5270731 is a wasteful number, since it uses less digits than its factorization.

5270731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310060.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 5270731 is about 2295.8072654297. The cubic root of 5270731 is about 174.0297984813.

The spelling of 5270731 in words is "five million, two hundred seventy thousand, seven hundred thirty-one".