5015509 has 2 divisors, whose sum is σ = 5015510. Its totient is φ = 5015508.

The previous prime is 5015503. The next prime is 5015513. The reversal of 5015509 is 9055105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4422609 + 592900 = 2103^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 5015509 - 2³ = 5015501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5015501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2507754 + 2507755.

It is an arithmetic number, because the mean of its divisors is an integer number (2507755).

Almost surely, 2^5015509 is an apocalyptic number.

It is an amenable number.

5015509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5015509 is an equidigital number, since it uses as much as digits as its factorization.

5015509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 5015509 is about 2239.5332102918. The cubic root of 5015509 is about 171.1742122955.

The spelling of 5015509 in words is "five million, fifteen thousand, five hundred nine".