2552775002509 has 2 divisors, whose sum is σ = 2552775002510. Its totient is φ = 2552775002508.

The previous prime is 2552775002483. The next prime is 2552775002597. The reversal of 2552775002509 is 9052005772552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2171505801609 + 381269200900 = 1473603^2 + 617470^2 .

It is a cyclic number.

It is not a de Polignac number, because 2552775002509 - 2³¹ = 2550627518861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2552775002809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276387501254 + 1276387501255.

It is an arithmetic number, because the mean of its divisors is an integer number (1276387501255).

Almost surely, 2^{2552775002509} is an apocalyptic number.

It is an amenable number.

2552775002509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2552775002509 is an equidigital number, since it uses as much as digits as its factorization.

2552775002509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205000, while the sum is 49.

The spelling of 2552775002509 in words is "two trillion, five hundred fifty-two billion, seven hundred seventy-five million, two thousand, five hundred nine".