5117531 has 4 divisors (see below), whose sum is σ = 5179272. Its totient is φ = 5055792.

The previous prime is 5117509. The next prime is 5117533. The reversal of 5117531 is 1357115.

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 5117531 - 2²² = 923227 is a prime.

It is a super-2 number, since 2×5117531² = 52378247071922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5117497 and 5117506.

It is not an unprimeable number, because it can be changed into a prime (5117533) 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, 30746 + ... + 30911.

It is an arithmetic number, because the mean of its divisors is an integer number (1294818).

Almost surely, 2^5117531 is an apocalyptic number.

5117531 is a deficient number, since it is larger than the sum of its proper divisors (61741).

5117531 is an equidigital number, since it uses as much as digits as its factorization.

5117531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61740.

The product of its digits is 525, while the sum is 23.

The square root of 5117531 is about 2262.1960569323. The cubic root of 5117531 is about 172.3270660645.

The spelling of 5117531 in words is "five million, one hundred seventeen thousand, five hundred thirty-one".