5124025009 has 4 divisors (see below), whose sum is σ = 5124448804. Its totient is φ = 5123601216.

The previous prime is 5124024989. The next prime is 5124025019. The reversal of 5124025009 is 9005204215.

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 1511654400 + 3612370609 = 38880^2 + 60103^2 .

It is a cyclic number.

It is not a de Polignac number, because 5124025009 - 2⁵ = 5124024977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5124025019) 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, 193212 + ... + 218125.

It is an arithmetic number, because the mean of its divisors is an integer number (1281112201).

Almost surely, 2^5124025009 is an apocalyptic number.

It is an amenable number.

5124025009 is a deficient number, since it is larger than the sum of its proper divisors (423795).

5124025009 is a wasteful number, since it uses less digits than its factorization.

5124025009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423794.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5124025009 is about 71582.2953599562. The cubic root of 5124025009 is about 1723.9992805493. Note that the first 3 decimals are identical.

The spelling of 5124025009 in words is "five billion, one hundred twenty-four million, twenty-five thousand, nine".