2505831449 has 8 divisors (see below), whose sum is σ = 2827897920. Its totient is φ = 2199475600.

The previous prime is 2505831431. The next prime is 2505831457. The reversal of 2505831449 is 9441385052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2505831449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2505831409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3927317 + ... + 3927954.

It is an arithmetic number, because the mean of its divisors is an integer number (353487240).

Almost surely, 2^2505831449 is an apocalyptic number.

2505831449 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2505831449 is a deficient number, since it is larger than the sum of its proper divisors (322066471).

2505831449 is a wasteful number, since it uses less digits than its factorization.

2505831449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7855311.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 2505831449 is about 50058.2805238054. The cubic root of 2505831449 is about 1358.2632547216.

The spelling of 2505831449 in words is "two billion, five hundred five million, eight hundred thirty-one thousand, four hundred forty-nine".