2305172315 has 32 divisors (see below), whose sum is σ = 2879235072. Its totient is φ = 1770496000.

The previous prime is 2305172297. The next prime is 2305172333. The reversal of 2305172315 is 5132715032.

It is an interprime number because it is at equal distance from previous prime (2305172297) and next prime (2305172333).

It is not a de Polignac number, because 2305172315 - 2¹² = 2305168219 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4424255 + ... + 4424775.

It is an arithmetic number, because the mean of its divisors is an integer number (89976096).

Almost surely, 2^2305172315 is an apocalyptic number.

2305172315 is a deficient number, since it is larger than the sum of its proper divisors (574062757).

2305172315 is a wasteful number, since it uses less digits than its factorization.

2305172315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 2305172315 is about 48012.2100616083. The cubic root of 2305172315 is about 1320.9948719248.

Adding to 2305172315 its reverse (5132715032), we get a palindrome (7437887347).

The spelling of 2305172315 in words is "two billion, three hundred five million, one hundred seventy-two thousand, three hundred fifteen".