5247531 has 8 divisors (see below), whose sum is σ = 7774160. Its totient is φ = 3498336.

The previous prime is 5247499. The next prime is 5247533. The reversal of 5247531 is 1357425.

It is a happy number.

It is not a de Polignac number, because 5247531 - 2⁵ = 5247499 is a prime.

It is a super-2 number, since 2×5247531² = 55073163191922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 194353 = 5247531 / (5 + 2 + 4 + 7 + 5 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5247495 and 5247504.

It is not an unprimeable number, because it can be changed into a prime (5247533) 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, 97150 + ... + 97203.

It is an arithmetic number, because the mean of its divisors is an integer number (971770).

Almost surely, 2^5247531 is an apocalyptic number.

5247531 is a deficient number, since it is larger than the sum of its proper divisors (2526629).

5247531 is a wasteful number, since it uses less digits than its factorization.

5247531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194362 (or 194356 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 5247531 is about 2290.7490041469. The cubic root of 5247531 is about 173.7740825443.

It can be divided in two parts, 5247 and 531, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 5247531 in words is "five million, two hundred forty-seven thousand, five hundred thirty-one".