5131547 has 4 divisors (see below), whose sum is σ = 5136120. Its totient is φ = 5126976.

The previous prime is 5131543. The next prime is 5131571. The reversal of 5131547 is 7451315.

5131547 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5131547 - 2² = 5131543 is a prime.

It is a super-2 number, since 2×5131547² = 52665549226418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5131541) 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, 683 + ... + 3275.

It is an arithmetic number, because the mean of its divisors is an integer number (1284030).

Almost surely, 2^5131547 is an apocalyptic number.

5131547 is a deficient number, since it is larger than the sum of its proper divisors (4573).

5131547 is a wasteful number, since it uses less digits than its factorization.

5131547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572.

The product of its digits is 2100, while the sum is 26.

The square root of 5131547 is about 2265.2918134315. The cubic root of 5131547 is about 172.4842469686.

The spelling of 5131547 in words is "five million, one hundred thirty-one thousand, five hundred forty-seven".