2554953509 has 2 divisors, whose sum is σ = 2554953510. Its totient is φ = 2554953508.

The previous prime is 2554953497. The next prime is 2554953517. The reversal of 2554953509 is 9053594552.

It is a happy number.

2554953509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2002562500 + 552391009 = 44750^2 + 23503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2554953509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2554953529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277476754 + 1277476755.

It is an arithmetic number, because the mean of its divisors is an integer number (1277476755).

Almost surely, 2^2554953509 is an apocalyptic number.

It is an amenable number.

2554953509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554953509 is an equidigital number, since it uses as much as digits as its factorization.

2554953509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215000, while the sum is 47.

The square root of 2554953509 is about 50546.5479434551. The cubic root of 2554953509 is about 1367.0812724699.

The spelling of 2554953509 in words is "two billion, five hundred fifty-four million, nine hundred fifty-three thousand, five hundred nine".