5259999525 has 24 divisors (see below), whose sum is σ = 9487127904. Its totient is φ = 2550302400.

The previous prime is 5259999491. The next prime is 5259999527.

5259999525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5259999525 - 2¹⁹ = 5259475237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5259999527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3187054 + ... + 3188703.

It is an arithmetic number, because the mean of its divisors is an integer number (395296996).

Almost surely, 2^5259999525 is an apocalyptic number.

5259999525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5259999525 is a deficient number, since it is larger than the sum of its proper divisors (4227128379).

5259999525 is a wasteful number, since it uses less digits than its factorization.

5259999525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375781 (or 6375776 counting only the distinct ones).

The product of its digits is 16402500, while the sum is 60.

The square root of 5259999525 is about 72525.8541831808. The cubic root of 5259999525 is about 1739.1160707208.

The spelling of 5259999525 in words is "five billion, two hundred fifty-nine million, nine hundred ninety-nine thousand, five hundred twenty-five".