2505000549 has 4 divisors (see below), whose sum is σ = 3340000736. Its totient is φ = 1670000364.

The previous prime is 2505000523. The next prime is 2505000559. The reversal of 2505000549 is 9450005052.

It is a happy number.

2505000549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 2505000549 - 2²¹ = 2502903397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505000559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417500089 + ... + 417500094.

It is an arithmetic number, because the mean of its divisors is an integer number (835000184).

Almost surely, 2^2505000549 is an apocalyptic number.

It is an amenable number.

2505000549 is a deficient number, since it is larger than the sum of its proper divisors (835000187).

2505000549 is an equidigital number, since it uses as much as digits as its factorization.

2505000549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835000186.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2505000549 is about 50049.9805094867. The cubic root of 2505000549 is about 1358.1131108505.

The spelling of 2505000549 in words is "two billion, five hundred five million, five hundred forty-nine", and thus it is an aban number.