2305187249 has 16 divisors (see below), whose sum is σ = 2411383296. Its totient is φ = 2201126400.

The previous prime is 2305187237. The next prime is 2305187251. The reversal of 2305187249 is 9427815032.

2305187249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2305187249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2305187279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192814 + ... + 1194744.

It is an arithmetic number, because the mean of its divisors is an integer number (150711456).

Almost surely, 2^2305187249 is an apocalyptic number.

It is an amenable number.

2305187249 is a deficient number, since it is larger than the sum of its proper divisors (106196047).

2305187249 is a wasteful number, since it uses less digits than its factorization.

2305187249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2305187249 is about 48012.3655842951. The cubic root of 2305187249 is about 1320.9977245959.

The spelling of 2305187249 in words is "two billion, three hundred five million, one hundred eighty-seven thousand, two hundred forty-nine".