2905105 has 8 divisors (see below), whose sum is σ = 3984192. Its totient is φ = 1992048.

The previous prime is 2905099. The next prime is 2905109. The reversal of 2905105 is 5015092.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2905105 - 2⁵ = 2905073 is a prime.

It is a super-2 number, since 2×2905105² = 16879270122050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2905109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41467 + ... + 41536.

It is an arithmetic number, because the mean of its divisors is an integer number (498024).

2^2905105 is an apocalyptic number.

It is an amenable number.

2905105 is a deficient number, since it is larger than the sum of its proper divisors (1079087).

2905105 is an equidigital number, since it uses as much as digits as its factorization.

2905105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83015.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 2905105 is about 1704.4368571467. The cubic root of 2905105 is about 142.6879432510.

The spelling of 2905105 in words is "two million, nine hundred five thousand, one hundred five".