5131537 has 4 divisors (see below), whose sum is σ = 5138980. Its totient is φ = 5124096.

The previous prime is 5131517. The next prime is 5131541. The reversal of 5131537 is 7351315.

5131537 is nontrivially palindromic in base 12.

5131537 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.

It can be written as a sum of positive squares in 2 ways, for example, as 904401 + 4227136 = 951^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 5131537 - 2¹¹ = 5129489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5131517) 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, 2568 + ... + 4105.

It is an arithmetic number, because the mean of its divisors is an integer number (1284745).

Almost surely, 2^5131537 is an apocalyptic number.

It is an amenable number.

5131537 is a deficient number, since it is larger than the sum of its proper divisors (7443).

5131537 is an equidigital number, since it uses as much as digits as its factorization.

5131537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7442.

The product of its digits is 1575, while the sum is 25.

The square root of 5131537 is about 2265.2896062093. The cubic root of 5131537 is about 172.4841349268.

The spelling of 5131537 in words is "five million, one hundred thirty-one thousand, five hundred thirty-seven".