5245001009 has 2 divisors, whose sum is σ = 5245001010. Its totient is φ = 5245001008.

The previous prime is 5245000993. The next prime is 5245001033. The reversal of 5245001009 is 9001005425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5221507600 + 23493409 = 72260^2 + 4847^2 .

It is a cyclic number.

It is not a de Polignac number, because 5245001009 - 2⁴ = 5245000993 is a prime.

It is a super-2 number, since 2×5245001009² = 55020071168822036162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5245001039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622500504 + 2622500505.

It is an arithmetic number, because the mean of its divisors is an integer number (2622500505).

Almost surely, 2^5245001009 is an apocalyptic number.

It is an amenable number.

5245001009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5245001009 is an equidigital number, since it uses as much as digits as its factorization.

5245001009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 5245001009 is about 72422.3792000788. The cubic root of 5245001009 is about 1737.4615083445.

The spelling of 5245001009 in words is "five billion, two hundred forty-five million, one thousand, nine".