5210625509 has 4 divisors (see below), whose sum is σ = 5245596300. Its totient is φ = 5175654720.

The previous prime is 5210625503. The next prime is 5210625523. The reversal of 5210625509 is 9055260125.

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 1206520225 + 4004105284 = 34735^2 + 63278^2 .

It is a cyclic number.

It is not a de Polignac number, because 5210625509 - 2⁸ = 5210625253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5210625503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17485172 + ... + 17485469.

It is an arithmetic number, because the mean of its divisors is an integer number (1311399075).

Almost surely, 2^5210625509 is an apocalyptic number.

It is an amenable number.

5210625509 is a deficient number, since it is larger than the sum of its proper divisors (34970791).

5210625509 is a wasteful number, since it uses less digits than its factorization.

5210625509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34970790.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 5210625509 is about 72184.6625606853. The cubic root of 5210625509 is about 1733.6574375163.

The spelling of 5210625509 in words is "five billion, two hundred ten million, six hundred twenty-five thousand, five hundred nine".