2915345 has 4 divisors (see below), whose sum is σ = 3498420. Its totient is φ = 2332272.

The previous prime is 2915327. The next prime is 2915351. The reversal of 2915345 is 5435192.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2238016 + 677329 = 1496^2 + 823^2 .

It is a cyclic number.

It is not a de Polignac number, because 2915345 - 2⁶ = 2915281 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291530 + ... + 291539.

It is an arithmetic number, because the mean of its divisors is an integer number (874605).

2^2915345 is an apocalyptic number.

It is an amenable number.

2915345 is a deficient number, since it is larger than the sum of its proper divisors (583075).

2915345 is an equidigital number, since it uses as much as digits as its factorization.

2915345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583074.

The product of its digits is 5400, while the sum is 29.

The square root of 2915345 is about 1707.4381394358. The cubic root of 2915345 is about 142.8553968834.

The spelling of 2915345 in words is "two million, nine hundred fifteen thousand, three hundred forty-five".