2913145 has 8 divisors (see below), whose sum is σ = 3562056. Its totient is φ = 2286336.

The previous prime is 2913139. The next prime is 2913151. The reversal of 2913145 is 5413192.

It is an interprime number because it is at equal distance from previous prime (2913139) and next prime (2913151).

It can be written as a sum of positive squares in 4 ways, for example, as 184041 + 2729104 = 429^2 + 1652^2 .

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-2913145 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5232 + ... + 5761.

It is an arithmetic number, because the mean of its divisors is an integer number (445257).

2^2913145 is an apocalyptic number.

It is an amenable number.

2913145 is a deficient number, since it is larger than the sum of its proper divisors (648911).

2913145 is a wasteful number, since it uses less digits than its factorization.

2913145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051.

The product of its digits is 1080, while the sum is 25.

The square root of 2913145 is about 1706.7937778185. The cubic root of 2913145 is about 142.8194536290.

The spelling of 2913145 in words is "two million, nine hundred thirteen thousand, one hundred forty-five".