2913345 has 24 divisors (see below), whose sum is σ = 5107752. Its totient is φ = 1536000.

The previous prime is 2913331. The next prime is 2913347. The reversal of 2913345 is 5433192.

It can be written as a sum of positive squares in 4 ways, for example, as 1640961 + 1272384 = 1281^2 + 1128^2 .

It is not a de Polignac number, because 2913345 - 2⁴ = 2913329 is a prime.

It is an Ulam number.

2913345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2913347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4225 + ... + 4865.

It is an arithmetic number, because the mean of its divisors is an integer number (212823).

2^2913345 is an apocalyptic number.

It is an amenable number.

2913345 is a deficient number, since it is larger than the sum of its proper divisors (2194407).

2913345 is a wasteful number, since it uses less digits than its factorization.

2913345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 750 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 2913345 is about 1706.8523661993. The cubic root of 2913345 is about 142.8227219452.

The spelling of 2913345 in words is "two million, nine hundred thirteen thousand, three hundred forty-five".