2560454521 has 4 divisors (see below), whose sum is σ = 2575786752. Its totient is φ = 2545122292.

The previous prime is 2560454509. The next prime is 2560454531. The reversal of 2560454521 is 1254540652.

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 2560454521 - 2⁵ = 2560454489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560454531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7665865 + ... + 7666198.

It is an arithmetic number, because the mean of its divisors is an integer number (643946688).

Almost surely, 2^2560454521 is an apocalyptic number.

It is an amenable number.

2560454521 is a deficient number, since it is larger than the sum of its proper divisors (15332231).

2560454521 is a wasteful number, since it uses less digits than its factorization.

2560454521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15332230.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 2560454521 is about 50600.9339933563. The cubic root of 2560454521 is about 1368.0617129647.

The spelling of 2560454521 in words is "two billion, five hundred sixty million, four hundred fifty-four thousand, five hundred twenty-one".