2554520009 has 4 divisors (see below), whose sum is σ = 2569816704. Its totient is φ = 2539223316.

The previous prime is 2554519993. The next prime is 2554520029. The reversal of 2554520009 is 9000254552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2554520009 - 2⁴ = 2554519993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2554520029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7648097 + ... + 7648430.

It is an arithmetic number, because the mean of its divisors is an integer number (642454176).

Almost surely, 2^2554520009 is an apocalyptic number.

It is an amenable number.

2554520009 is a deficient number, since it is larger than the sum of its proper divisors (15296695).

2554520009 is a wasteful number, since it uses less digits than its factorization.

2554520009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15296694.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 2554520009 is about 50542.2596348838. The cubic root of 2554520009 is about 1367.0039503516.

It can be divided in two parts, 25545 and 20009, that added together give a palindrome (45554).

The spelling of 2554520009 in words is "two billion, five hundred fifty-four million, five hundred twenty thousand, nine".