5025005009 has 2 divisors, whose sum is σ = 5025005010. Its totient is φ = 5025005008.

The previous prime is 5025005003. The next prime is 5025005099. The reversal of 5025005009 is 9005005205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4085766400 + 939238609 = 63920^2 + 30647^2 .

It is a cyclic number.

It is not a de Polignac number, because 5025005009 - 2²⁴ = 5008227793 is a prime.

It is not a weakly prime, because it can be changed into another prime (5025005003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2512502504 + 2512502505.

It is an arithmetic number, because the mean of its divisors is an integer number (2512502505).

Almost surely, 2^5025005009 is an apocalyptic number.

It is an amenable number.

5025005009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5025005009 is an equidigital number, since it uses as much as digits as its factorization.

5025005009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 5025005009 is about 70887.2697245422. The cubic root of 5025005009 is about 1712.8217389274.

The spelling of 5025005009 in words is "five billion, twenty-five million, five thousand, nine".