2553542009 has 2 divisors, whose sum is σ = 2553542010. Its totient is φ = 2553542008.

The previous prime is 2553541981. The next prime is 2553542023. The reversal of 2553542009 is 9002453552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2386615609 + 166926400 = 48853^2 + 12920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2553542009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2553542009.

It is not a weakly prime, because it can be changed into another prime (2553542029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276771004 + 1276771005.

It is an arithmetic number, because the mean of its divisors is an integer number (1276771005).

Almost surely, 2^2553542009 is an apocalyptic number.

It is an amenable number.

2553542009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553542009 is an equidigital number, since it uses as much as digits as its factorization.

2553542009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 2553542009 is about 50532.5836366992. The cubic root of 2553542009 is about 1366.8294752370.

The spelling of 2553542009 in words is "two billion, five hundred fifty-three million, five hundred forty-two thousand, nine".