5129539 has 4 divisors (see below), whose sum is σ = 5295040. Its totient is φ = 4964040.

The previous prime is 5129489. The next prime is 5129557. The reversal of 5129539 is 9359215.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9359215 = 5 ⋅1871843.

It is a cyclic number.

It is not a de Polignac number, because 5129539 - 2¹⁵ = 5096771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5129039) 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, 82704 + ... + 82765.

It is an arithmetic number, because the mean of its divisors is an integer number (1323760).

Almost surely, 2^5129539 is an apocalyptic number.

5129539 is a deficient number, since it is larger than the sum of its proper divisors (165501).

5129539 is a wasteful number, since it uses less digits than its factorization.

5129539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165500.

The product of its digits is 12150, while the sum is 34.

The square root of 5129539 is about 2264.8485600587. The cubic root of 5129539 is about 172.4617460507.

The spelling of 5129539 in words is "five million, one hundred twenty-nine thousand, five hundred thirty-nine".